How Fasting Impacts Your Ability to Focus | Dr. Andrew Huberman

Dr. Andrew Huberman discusses how fasting impacts your ability to focus.
Dr. Andrew Huberman is a tenured professor of neurobiology and ophthalmology at Stanford University School of Medicine and host of the Huberman Lab Podcast.
Full episode: • Focus Toolkit: Tools t...
Show notes: hubermanlab.com/focus-toolkit...
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The Huberman Lab Podcast is for general informational purposes only and does not constitute the practice of medicine, nursing or other professional health care services, including the giving of medical advice, and no doctor/patient relationship is formed. The use of information on this podcast or materials linked from this podcast is at the user’s own risk. The content of this podcast is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Users should not disregard or delay in obtaining medical advice for any medical condition they may have and should seek the assistance of their health care professionals for any such conditions.

[@HubermanLabClips]

This clip is from the Huberman Lab episode "Focus Toolkit: Tools to Improve Your Focus & Concentration." The full episode can be found on KZbin here: kzbin.info/www/bejne/r5OYq6Olarx3fZY

[@shawizant5218]

Thanks for the episode. What recommendations to adapt being hungry late while following the fasting strategy ? It is a challenge.

[@miralllc]

Who is watching this on 2024 Ramadhan 😂❤

[@nayeemahmed767]

Jaan ke kya karna hai

[@malikaabdullayeva617]

Right now watching 😁

[@Hiddennnnnnnnn]

Me lol🤣

[@miralllc]

@@Hiddennnnnnnnn us bruh🤧

[@sojidamadaminova]

Meeee😂❤

[@muhammadshoaib3358]

Who is watching this in Ramadan 2024 while fasting??

[@sanketsharma0113]

Sorry to disappointed you but what type of fast this man is talking g about is too different from the one done in Ramadan!!

[@TheAnalogZombie]

​@@sanketsharma0113no focus on the methodology thatt he's saying it and go read the science of islamic fasting you will get better insights of how impactful the islamic fasting is

[@ikhlaedda1457]

literally me,i opened the comments to look for others like me hh

[@minesh3553]

ramadan is not fasting lol, how is stuffing your face in the night but starving yourself in the day "fasting to think about the poor" lol

[@jk-gb4et]

@@minesh3553 its a misconception. Empathizing with the plight of the poor is not the core point of fasting (although it is a side benefit that some people might get) but the point is just to be able to control yourself for the sake of God. Ramadan is also not just about fasting, though unfortunately some people only treat it as such. Its a time to become spiritually closer to God, not just to be religious for one month then go back, but to help as a kind of reset to become better for your whole life. also there is nothing islamic about what you call "stuffing your face in the night," it's just having a normal dinner and, some people tend to have a lot, but it doesnt make it a blanket thing to say all muslims do that. I know my comment was pretty long in response to your quick and slightly antagonistic comment, but I hope that you may have read and learned something, Minesh.

[@thesyedsstudio1402]

Alhamdullilah for being a muslim to having fasting a month in a year. All you said is true because we are practicing it . I feel 2x energy and focus in ramadan.

[@cha_imachom9888]

Totally right 👍✅

[@abdokotb9504]

Exactly 💯

[@Dewdrop00]

I feel the opposite

[@emmkaif]

Watching it today, on the first day of Ramadhan Kareem ❤ On fasting for 6 hrs for now and 8 more hours to go 😌

[@m07hcn62]

Watching this during Ramadan, where I don't eat/drink for 14 hrs, and I start work immediately after Suhoor. I work in software/ML. I am substantially more productive at work during Ramadan, both in quality and quantity. I feel my computational power gets a little boost whose impact I can actually observe, and I just have this uncanny ability to focus for a long time without frying my brain. It's quite unbelievable.

[@toughguy8033]

yeah, your kidneys and brain love being dehydrated. In fact, i also love you being dehydrated. So maybe, eventually, your generations pass kidney problems to next generations as genetics. win-win you know :)

[@akak-hz1tq]

Don't complain bro.. u know we do it for the sake of allah ❣️

[@flowers134]

dont complain about suppossed Ramadan complaints before reading bro ❤ he's aligned with you and says its possitive

[@UnbeatenPlayzMinecraftandmore]

@@akak-hz1tq akhi he didn’t complain السلام عليكم

[@FWMuscle]

U don't drink water??

[@AbdulAleemNiazi-mg1mh]

Watching this on 9th ramazan. ALHAMDULILAH

[@aminehajji7386]

im fasting Ramadan . Al Hamdu Lillah

[@brightthoughts3828]

ramdam kareem a year later

[@reginald8102]

@@brightthoughts3828 u too gang

[@iitdream2934]

Here in Kashmir 13 hours appox Ramadhan kareem ..proud to be a Muslim every aspect of Islam benefits us in every way alhamdulillah for everything..and thanks sir huberman for all your knowledge.. And everyone pray for Palestineians and Ukrainians

[@Erenyadev]

nothing relevant to the actual video but okay

[@iitdream2934]

@@Erenyadev I replied about how fasting helps oneself and how it is incorporated in Islam .. Moreover ,your profile tells why u are not comfortable with this ...because ,you won't find anything in your religion either helpfull or anything that doesn't harm environment,and human body 😂

[@iitdream2934]

@@Erenyadev and if you own the channel ✅ then it was your right to comment this 🙃

[@dummlp]

Pray for Israel

[@riadhbelkahla]

I'm a Muslim and in our religious we fast 14-16hrs a day for a month (Ramadhan) each year. Then we get to eat by the sunset at 7-8 p.m. We drink milk, eat dates, and other kinds of foods (we avoid eating too much because one of the purposes of fasting is to let your stomach rest) which can lead you focusing and achieving a lot during your day. By the 9th hour, we start to get tired and exhausted (it depends on the age and of course how much energy you spent during the day.) I really recommend starting this habit for a few days and if it's hard for you just try it for one day. Choose a task or two to work on, it doesn't matter just something to get you busy, I'm not saying you'll do it perfectly but you'll see yourself not just getting onto focus, but flow mode!

[@wombat7961]

This is OMAD then?

[@riadhbelkahla]

@@wombat7961 You can say so.

[@hosseinsheikhi5596]

Worst fasting, one should drink water! And too many other aspects to discuss about.

[@abuqadr629]

​@@hosseinsheikhi5596nah

[@abuqadr629]

​​@@danielsaragih we dont.

[@jhgolf25]

If you've never experienced an extended fast before you don't know what you're missing out on. I've never felt better my entire life starting at around day 4 until I broke my fast on day 12. The mental clarity, focus, and heightened senses overall is pretty mind blowing. I wish more people would try it so they can relate to what I'm talking about

[@oilinmyface787]

Did you do it while working ?

[@jhgolf25]

@@oilinmyface787 I work in an office so it's not back breaking work, but one 7 day fast I did I was working and had two on-site interviews back to back in the northeast when I was living in Dallas. Got offers on both positions. It allows you to focus and be productive in part due to the intense boredom of not being on your normal eating schedule.

[@oilinmyface787]

@@jhgolf25 Impressive ! Couple of years ago I did fast for 36 hours a couple of times and felt amazing. Trying to do it again but I feel dizzy and one time I did almost pass out. So something has changed, not sure what it is. Anyway, good for you and good luck !

[@jhgolf25]

@@oilinmyface787 That always happens, that's normal. That's your body telling you to slow down and is caused by your blood pressure lowering bc your body is conserving energy. It comes and goes and when it happens you just sit and rest until it passes

[@oilinmyface787]

@@jhgolf25 Wanted to fast tomorrow. Will do and tell you how it went :D

[@Othmaun]

Watching while fasting the beautiful month of Ramadan

[@sarangshoro911]

Watching this in blessful and holy month of Ramadan ❤

[@moein84]

Me too

[@althaf6611]

Assalamualaikum brother

[@sarangshoro911]

@@moein84 Mashallah bro

[@sarangshoro911]

@@althaf6611 Walaikum Assalam bro peace be with you

[@spencercox8571]

Following even some of your advice has already changed my life. Sun viewing and delaying caffeine in the morning have together allowed me to drop my caffeine intake from roughly 400mg (2 large cups of coffee, one in the AM one at around noon) to roughly 100mg, none in the morning and half as much at noon. In addition, shockingly, while my sleep onset remains the same, since starting this routine 2-3 months ago I haven't woken up randomly in the middle of the night and wake up feeling refreshed and actually good. I do intermittent fasting such that I eat between 5pm and 9pm with 90% of the calories consumed between 5pm and 6:30pm. As a result of advice from yet another Huberman video, instead of simply increasingly portion sizes of a normal dinner meal, I instead started adding additional, normal sized portions of more variety of foods, and I feel amazing after doing so. It makes sense, though, that a massive amount of broccoli won't have the same benefits as a normal amount of broccoli, a normal amount of carrots, a normal amount of kale/arugala, and then instead of a MASSIVE bowl of blackberries, a normal bowl of blackberries, a normal bowl of peaches, an apple, and a banana. It's all in one meal so it seems like so much more than it is. It's fascinating how easy it is to overeat, even when eating healthy, when you increase portion sizes rather than include more variety. I could probably keep rattling off more and more ways Huberman has changed my life, and always for the better. And it's for FREE. Thank you so much, and I will continue to direct people to your content!

[@camerondavis786]

Thank you for sharing knowledge you have learned over the years.

[@mohammadqudahh]

Absolutely makes sense yesterday I had my first boxing amateur fight and I was fasting for Ramadan as I’m a muslim and I felt so good and focused in the ring was completely flowing and in the zone

[@AspireWithin]

OUTSTANDING! From one Andrew to another, I feel compelled to comment, as you have described exactly what I have found. Apart from a coffee daily at 11am, I generally fast for between 18-20 hours. As a software developer, I focus fasted in the early morning 5 -10 and find the fasted state extremely productive. Optimum time is 7-8am, but with slowly diminishing returns as I head towards 11am. After coffee, my productivity is restored to my 7am level, but only for 90 mins max. After that the fasted state becomes counterproductive, whilst I can do chores or other non mental tasks, my cognition will only return to any where near to my earlier levels with a small snack, olives work for me, but only small amounts. Should i eat lunch, that's it for the day!.. Keep up the good work AH, really enjoying your professional and factual content.

[@poonphansukhumsawad3110]

Thankyou dr.Huberman for the knowledge. I am going to make sure i incorporate these tips into how i plan my day.

[@MH-wt2lb]

Thanks for your work Huberman!

[@ajg1143]

Alot of value given and practical steps to take. Huberman is slowly becoming my favourite podcast!

[@anemicish]

Factual

[@jainilsoni9922]

You didn’t mention the key factor which plays a role in alertness and wakefulness - orexin. One thing fasting definitely does is it prevents the blood flow to focus on the Gastrointestinal system instead of the brain. Fasting also increases the amount of orexin in the blood which is an important factor (if not the most) for arousal, wakefulness, and regulation of appetite.

[@dante1871]

oh nice, this makes sense.

[@avi_homosapiensapien6931]

Thanks for giving your valuable content for my neuroscience journey

[@droppedoutofschool]

Thank you for the short clips!

[@kayiho5441]

I have always hear fasting will do clarity in mind, I am so fascinated, will definitely try later to see how that works

[@andersongalvao314]

I personally feel very sleepy when I eat a good amount of food. If I eat just enough to be satisfied, my concentration and focus is good. If I eat too much, my mind gets chaotic and sleepy. If my stomach is empty, my focus also gets enhanced.

[@marianaespinosa3890]

So grateful for your content!

[@prsvermavermaprsverma3638]

Andrew Huberman you are just amazing

[@Burh1an]

As a Muslim who fasts 14-15 hours a day in the Holy month of Ramadan,After initial days I actually start feeling much better and active and there may be a few downfalls but there are way too many benefits of it

[@SumitSharma-bq3ec]

and after the fasting u eat masala goat LOL

[@iamyawar7287]

@@SumitSharma-bq3ec and you people keep your vrat by eating everything except salt and some stuff🤣🤣

[@musarratmomin]

​@@SumitSharma-bq3ec Yes and hindu friends come with us to have tasty masala goat at Mohammad Ali road Mumbai 😂😂

[@universalspirit6528]

Very helpful. Thank you. 🙏

[@emersonhilario6480]

Praying for the safety of my family and good health

[@fatimaalarabi5581]

Ramadan is on doors Ramadan is the month of fasting for muslims And we fast to please our ALLAH and to purify ourselves What an AMA opportunity to relieve our stomach and mind ❤

[@jovenesmockusfajardo]

🎯 Key Takeaways for quick navigation: 00:03 🧠 Blood glucose level affects focus and neuron encoding precision. 01:28 🍽️ Intermittent fasting can enhance clarity of mind due to reduced parasympathetic activation. 02:53 ☕ Focus varies with blood glucose levels: fasting promotes intense focus, while sufficient glucose boosts cognitive function. 03:51 🏋️‍♂️ Incorporating both fasted and fed states optimizes concentration and focus. 05:17 ⏰ Delay first caffeine intake by 90-120 minutes after waking up for improved energy and focus. 06:11 ⚖️ Combining different states allows choosing optimal conditions for concentration and focus. Made with HARPA AI

[@YoelPama]

Thank you so much.

[@miguelsanchez7477]

Hello Professor! I am a bit confused regarding this topic: 1- Provided you are fasting-adapted, you would have slightly more ketones in your blood right? And ketone bodies can indeed fuel some neurons and make up for the diminished glucose. And ketone bodies have been reported to increase mental focus if I am not mistaken. 2- The low glycemia would set a cascade of stress hormones (NA and A, and cortisol) because they also have an hyperglycemic effect on the blood (they raise blood sugar). So not only would blood glucose be more "stable" but also you would have enhanced focus right because of these neurotransmitters and hormones (compared to, when you ingest a high carb meal and your secrete tons of serotonin)? Thanks!

[@tomzeru]

Fascinating as always

[@akbarali-fh4rb]

As a Muslim I am happy we have a full month of Fasting (Ramadan). Ramadan is also coming. Welcome Ramadan.

[@Zain-gf4mf]

Masyaallah brother. Marhaban ya Ramadhan

[@rebellion6468]

Just curious. How do you guys fast.

[@Zain-gf4mf]

@@rebellion6468 basically we don't eat or drink anything from dawn until dusk for 1 month

[@akbarali-fh4rb]

@@rebellion6468 Well in my country fasting will last for minimum 12 to 13 hrs. Fasting starts early morning before start disappears and ends with sunset.

[@mariuspictorulcarealucratc286]

As orthodox Christians, we fast half of the days of a year. 😉

[@dizelvinable]

Thank you for the video!

[@mustafabaris9681]

I started doing OMAD five months ago , my life has changed in ways unimaginable to the human mind..At age 47, I am beating myself up for not having started OMAD much earlier in my adult life...

[@Adam_Rae]

I did a 22 day water fast, which resulted in extraordinary relief from nociceptive pain, huge reduction in sympathetic tone, lower overall body temperature. Noticed an improved Co2 tolerance in breath training/max exhale testing, improved overall somatic experience, mental clarity, and extended focus during prayer and meditation, with the additional plus of around 30 lbs weight loss of which 15 lbs returned in the following 60 days resuming normal eating and training. Due to the intense protocol, there was no intense training or strength work aside from isometrics and simple movement training (Task-oriented training with balls and objects and Tai Ji). Intend to repeat annually if circumstances permit...

[@BillyHannon14]

Did you notice any hair loss a few months later? I did a 33 day water fast and 30-60 days later I lost a ton of hair (it all grew back…even better actually). The two things that stood out to me in fast were the drop in body temperature and having no desire to eat at all. I also had no sexual desire and improved focus.

[@Adam_Rae]

@@BillyHannon14 33 is amazing discipline. Did you use any electrolytes or salt at any point? I didn't notice hair loss, but definitely had a decreased libido and increased mental focus as well. I was also interested in less researched but anecdotal testimonials that it would reduce scar tissue, calcium deposits in joints and arterial plaque, basically waste tissue as the body metsbolises itself for efficiency. Unfortunately I don't have a way to measure that but definitely had a significant reduction in pain and joint stiffness, and I think decreased fluid retention...

[@BillyHannon14]

@@Adam_Rae I did add potassium and pink Himalayan sea Salt daily. I think I also added some magnesium occasionally. I remember the sea salt was so satisfying that I slowly ate a few teaspoons daily and it felt like a snack. I also drank a lot of Smart Water. I fasted for the same reasons as you. I was really interested in the autophagy and just giving my body a break from constantly digesting food since the day I was born. I wish there was a way to measure it!

[@Adam_Rae]

@@BillyHannon14 Aha, I actually had smart water some of the time as well now you mention it. I agree man, I think its such an under-researched area.. I really want to go for the biblical 40 days, but I noticed whenever I think like that my ego gets involved and it kind of misses the point... Be well 💪

[@damienholland8103]

Pseudo-science...

[@RsNutella]

Ive done few days. It is weird how you don’t really feel hungry after 24 hours mark (more or less) I, like you said, have never experienced this mental clarity. My brain becomes so much more powerful in all aspect. Concentration, focus, creativity, speed of thoughts, etc

[@perfect_chaos4217]

when I am fasting , not only my focus increases , but my creativity increases . I buiilt a module in 2 days in this Ramadan for my company that saved 14 hour work a week . I would spend 6-7 hours working on it and dont feel any tiredness

[@PathsOfReason]

I had the experience to fast 180 days for 16 hours each day, it was miraculous.

[@mayanktiwari5069]

Can u explain a bit about impacts of fasting in little details. Your experience will encourage others for intermittent fasting.

[@t1mp]

Love it. Thanks for sharing.

[@unique_gemstones_world6150]

Happy ramadan guys 🎉

[@nicklaslehmannaastrup2995]

I can especially vouch for the statement about "sleepy carbs" to many carbs mid day makes me sleepy in contrast if I exchange the amount if carbs for protein I feel more fresh

[@ChezChristine57]

F 66 with Sever nafl i decides to make 18/6 fast ..i am worry. And i want to get better. i listen to you...Will see.. thank you

[@Agent707]

This appeared on my feed most auspiciously, as this is exactly the issue I've been struggling with lately and wondering how to rectify. I love that you provide these shorts that gives the quick, essential info we need to understand what we need to do and why so we can immediately begin integrating life-changing habits. And your longer vids are always outstanding and incredibly valuable, too! You're a world treasure, Dr. Huberman!

[@xderen_xd]

God may bless you all! Some people says that is better the dinner but for me as someone who really likes food what works for me is first just eat the big meals (breakfast, lunch and dinner), nothing of taking something small between meals, and then what I do is that I eat my dinner but then it starts my fast. So what I do is if for example my dinner was at 8pm then I just skip breakfast and eat again until lunch doing a brunch maybe at 1 or 3. So without doing a great effort I am doing a fast of 16-18 hours and I recieved 8 hours free of fast, I am a Christian rasta or rasta 12 tribes, so after praying, reading the Bible and meditating I am in the hands of Our Lord and in an spiritual state so like I am not hungry any more and then I start to learn maths for understanding this beautiful creation. Jah bless y'all! ✝️!

[@javierlabra3680]

Thanks!

[@user-ii9jl3fp7g]

Ramadan Mubark for all Ummah and may Allah reward you brothers&sisters and accept from you, all the good deeds. Ramadan Karem

[@user-qx8hf9ec6f]

Extremely useful info

[@colefox9710]

I've had success with stimulant free pre workout powders to avoid the need for caffeine pre workout in the morning. Although they sometimes can spike insulin.

[@Mr_wolf162]

thank u sir❤

[@DanielMothersdale]

Small lunch, big dinner 2 - 3 hours before bed and usually when ive finished most of the cognitive work for the day!

[@kaylenehousego8929]

Thank you .

[@mkamaal1000]

Mashallah, Islam taught us Fasting concept long back where the point is to fast and worship as much as possible in the month of Ramadan. And Sufis mostly keep themselves in fasted state while performing ibadah like Namaz, Tilawat,etc. Alhamdulillah that I was born a Muslim, true and the most logical religion. Where science itself backs up the teachings of Prophet Mohammad S.A.W

[@barhamrashedkhalil3431]

Alhamdwlella today is first day holy Ramadan month ❤

[@mohammedarzam3658]

Where are you from

[@barhamrashedkhalil3431]

Iraq

[@mattmazzola]

In the video Andrew talked about how sufficient blood-glucose from eating gives your neurons the ability to more precisely encode information. This is perceived as thinking clearly. Low blood-glucose can also give that perception because your body is in a more sympathetic state and less blood is diverted to digest food. I think there are other contributing factors were not mentioned here such as autophagy. From my understanding, autophagy not only occurs in the body, but also in the brain and cleans up excess material similar to the restorative process during sleep. I'm not sure how they measured this, but I remember they had some studies that showed a reduction in tumor size of patients who fasted which indicates this process is occurring. I thought it was the autophagy which puts your brain in a much "cleaner" state so information flows more freely. In my mind I think of signals taking shorter path through neuron structure but I doubt that is actually what happens.

[@dankrips858]

We need podcast about how cannabis affects autophagy. Huberman, what are your thoughts?

[@ViralVideos-pr2oi]

How does he know this? Bc of a study on paper? A lot of conclusions are made by this guy. This topic seems to be subjective, not a one size fits all

[@TInyK12]

Intrqdasting hypothesis

[@Alch8FiMystic]

@@ViralVideos-pr2oiFacts 💯

[@Gg-rssystG8]

Thank you. Dr. Andrew Huberman I don't ✋️ eat nada, just water until 12pm.

[@ladybrooks3885]

Great information

[@FerdinandTutorials]

Love that intermittent Fasting. Nice work Sir 🎉

[@Theblessed2023]

RAMADAN fasting is the best. Give it a try.

[@GalacticWoman]

Its interesting. when i ve got an issue I am thinking about and need to address I tend to go for carb rich snacks as i walk about super focusing on possible solutions

[@hsj_jhamb]

I certainly do enjoy fasting, but I don't do it for too long. How would you suggest fasting when I'm also trying to build up some muscles and regular HIIT workouts.

[@Ziifit]

Thank you

[@andersongalvao314]

Back in the days people were used to fast because they simply would run out of food for some reason. Nowadays people eat without feeling hungry. Nowadays nobody knows what hungry looks like in practice.

[@shubhampatil.7]

i think its less about glucose in the blood but more about the quantity or heaviness of the food you eat that makes you feel sleepy or less concentration!!!

[@cuongo9296]

I love intermitten fasting, it help me focus and energized in the morning and stabilize my calories intake which in turn help me lose weight. A shame that no one else in my family practice if with me though. They are too used to breakfast.

[@duncanwright4158]

Watching this during the great lent☦️

[@jordanfriedman7501]

If you’re drinking electrolytes before working out in the morning, then you’re breaking your fast early on (because electrolytes have calories, including the ones from LMNT). Thus, you’re doing your first bout of work feasted. Please clarify

[@709_JJ82]

You are a treasure!

[@SharpmyPencil]

So what is the ideal glucose level for optimal neuron tuning? From my research on ketosis and fasting I've come to learn about the process of gluconeogenesis, if we are producing blood sugar, how far are we from the ideal amounts when fasting?

[@mahmoudalcholbec4607]

Thank you for sharing this video

[@user-ht9es7ut7d]

thenk you andrew,your padcasts are very usful

[@dante1871]

very interesting, when I am fasting for a whole day, in the afternoon I usually feel weird and I always though about neurons probably not functioning well, usually a nap and salt helps, but I am sure it has to do with this.

[@hamzarafea7112]

Good lesson

[@intwominds1943]

My priority is gaining weight and building muscle. Find it hard to hit my macros target unless i eat pretty regularly

[@ahmedtajir6688]

You gain then you go grave what is the point ? We are fasting for Allah not healthy things or weight loss...this beneficial things it is just deeper understanding ...in Islam we fast to increase soul purification by gain fear of Allah .

[@intwominds1943]

@@ahmedtajir6688 who’s allah? Never heard of her.

[@spearruler70]

I think the confusion comes from who is doing the fast. If you eat on a normal schedule and decide to fast, you will not get the mental clarity and focus. But if you are truly fat adapted and your body has reset to a fasted state, you will have a tremendous amount of mental focus and clarity during your fast. I'm on an OMAD lifestyle, and often, when I eat my one meal, I will crash because a tremendous amount of blood and energy will be needed for digestion. But from the time I wake up until my first meal at 5 pm, I am a walking, talking, high energy focused machine.

[@Skelldr]

I don’t particularly care for breakfast so by default I would fast for 12 hours. The change that I made recently is no food after 2000 and it has made all the difference in the world for me

[@muhammadjonov_asadbek]

12th day of RAMADAN Alhamdulillah ✨️

[@DavidMausJr]

Great stuff brother! Love your explanations. Question, do you have any info on the effects of blood sugar activity when you workout early in the morning, fasted? I’ve been experimenting with a CGM (I’m a very healthy individual) and notice a massive blood sugar spike when I do high aerobic, or HIIT workouts at 6am. I also notice a massive spike when I do a fasted cold plunge. Any explanation on that would be super sweet! Thanks!

[@vesnam7591]

Interesting you mention that. My daughter has type 1 diabetes and we experienced that as well. The drs told us that when our body has very low blood sugar levels, the liver will spike and provide a shot of glucose into our bloodstream to prevent damage. She would go to bed with ideal numbers and wake up with very high blood sugar levels. With monitoring during the night I noticed she was indeed dropping super low. Never thought about this happening to people who are fasting but makes sense.

[@imadeyoureadthis1]

I can't FOCUS as well on 2-3 hour podcasts as i can with these short clips.

[@The_Yash_mudgal]

Being a Sanatani Hindu we have 2-4 days a week of fasting if we wish ❤ to do Also being vegitarian helps me well

[@ErrorXTech]

Ramadan Mubarak. the fasting month of the year has been started xD

[@davidrpriest]

When following a keto diet and intermittent fasting, if I have some food that has sugar in it or high carbs, I will within an hour feel totally exhausted so I don't do it! Sugar makes me want to take a nap! I think much more clearing during the fasting period.

[@supersaiyaman527]

thank you........

[@akramalshuhary2640]

I am watching while I am fasting in Ramadan 🎉.

[@becrazy2015]

Thank You BROTHER For Very Good Information.

[@watcherworld5873]

I think if someone is well regulated, her blood glucose level will remain pretty much constant. Of course, that assumes that the person did not overeat. These days I weigh the amount of carbs I eat. This is not to limit calories, rather it is an attempt not to overstress my system. Digestion is pretty hard on the body.

[@RenatoPradodev]

This video should be title "How intermittent Fasting Impacts Your Ability to Focus". He clearly is talking about IF , as he said, people will experience low glucose levels unless they are in Ketosis that is when they have steady blood glucose levels.

[@NavneethNair-el1sj]

Got it! I shall fast for 3 hours from 5 a.m. to 8 a.m. before breakfast and I shall fast for 4 hours from 12 noon to 4 p.m. before lunch and I shall fast for 4 hours from 5 p.m. to 9 p.m. before dinner and at 9:30 I shall start sleeping...

[@dilbarhuseynli8724]

Happy Ramadan 🌹

[@Guli-zi2lc]

I'm watching on the 20th day Ramadhan Alhamdulillah

[@DesertLyons22]

I have fasted 11,21,&40 days on water 💦 only and the longer fasted periods give more focus and clarity of mind. So a study on long term fast could shine a light on this topic

[@frankgjr]

How long was your fast daily?

[@mayanktiwari5069]

I am fasting 15 hours a day from last 2 months because suffering from autoimmune disease. Result is impeccable that I can say.​@@frankgjr

[@raquelsospedra51298]

I also believe there is difference between following a vegetarian/vegan diet to an omnivor diet. You feel much less sleepy when you have eaten unprocessed foods from plant origin.

[@pinical]

ramadan gang!

[@moein84]

Yeah💪

[@domagojJugovic]

Well, yes we know that brain prefers glucose etc etc, but my best and exceptional clarity of mind was on multiday water fast. Total lifting of brain fog. Never to be accomplished at fed state. I did a lot of multiple day water fast, most of them for 10 days, that clarity comes after at least 3 days, and it holds for a few days, sometimes to the end , sometimes it never happens, sometimes brain fog is worse that in fed state. I don't know what is the causing factor, but definitely stress plays a role here by my experience.

[@Anthony2X19]

Just curious about fasting+gluconeogenesis in relationship to focus and alertness. It appears that you don’t need to eat in order to have glucose in the bloodstream.

[@wearethehaunted3831]

Love LMNT!!

[@melikas949]

Perfect

[@fabiosuccess2895]

I'm wondering if the type of food can affect your concentration and focus. Simple carbs vs complex carb. Low fiber vs high fiber diet.

[@Darknight526]

"Simple carbs are more quickly digested and absorbed than complex ones, so simple carbs can raise your blood glucose levels faster and higher." This is a direct quotation from the NIH, National Institute of Health. Also Low Fiber is more involved with Simple Carbs and High Fiber with Complex Carbs (for the most part).