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35 responses to “I Slept 4 Hours Per Night for 100 Days – Here’s What Happened”
Order my new book: https://www.amazon.com/dp/B0CW1B2XM1
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First I love your videos your English has improved so much, loved your book 📖 keep up the good work
Thanks! Would appreciate a supporting review on Amazon
Ha, I had three friends who did that in college. One failed within the first week or two. The second one struggled for several months before giving up. The third guy could have kept going but the second guy had to drop and so then he was the only living this weird lifestyle. He dropped with the second guy rather than be alone.
Haha, that’s funny
Considering the original, natural human sleep schedule was two bouts of 3-4h each with 1-2h awake in the middle, you have to question if sleeping 6-9h in one go is reallywhat we should be doing…
I dont know, sleeping 7h in a row feels much better
@@SiimLand Try sleeping 4-5 hours in night and 1,5-2 hours in afternoon, so you get 6 hours a day. This feels so much better… You are two times in the day productive. I trained after the afternoon sleep and I worked after the night sleep.
@@robbertag808
For some people this works – e.g. my father works in a bakery and sleeps 2 hours before night shift and later after the shift for like 4 hours (as i remember). Sometimes he naps for a few minutes during the day but most of the time he is just very active. Biking, running and he walks like 10km during his night shift.
@@SiimLand 7h is little you need 8
Few years ago, I slept 4 or 5 hours and 1 or 2 hours again in the afternoon. This felt great..
For something as dangerous as sleeping in evolutionary terms, I’d be shocked if any parts of our sleep weren’t crucial. I don’t imagine natural selection somehow allowing us a few hours of unconsciousness with no benefit
Matthew walker second this. Sadly that our society does not optimize and value sleep
Tbf natural selection doesn’t care about longevity for the most part, it could help reproductive success while not mattering much for lifespan.
Good idea, I’ll give it a go in the office, let’s see what happens
But don’t forget the naps, at least one nap. If you don’t nap, it’s going to have detrimental effects
Now I understood how you lost your Temporal hair @ early age.
Damn! I did that too in university for 6 months 😂 even tried the Uberman for a week (the craziest, like a never ending day feeling)
What’s the uberman please explain
@@gqas1247 2 hours sleep per day. 20 mins nap every 4 hours.
If I sleep more than 4-5 hours a night, I can’t fall asleep the next day. I have to wake up at 4am everyday, otherwise my sleep the next night is almost non existent.
good for you
one of your best videos ever imo
Im doing sort of this for work 4-5 hours and one or two naps, glad to see that it’s not that bad
Very interesting. I think alot of college students do this without realizing i.e. due to cramming for exams and papers ……
That’s why you look like the I like Turtles zombie kid all grown up.
Margaret Thatcher (UK) slept 4-hours per night without any naps.
I don’t understand why sleeping more than 8 hours isn’t healthy?
It may not be. It may just be association. Some health conditions may make you tired, or disrupt sleep. It may indicate thyroid issues, fibromyalgia, poor quality sleep, or any number of things. Also, if you are young, say 25 or younger, 8.5–9 hours is probably better. And obviously toddlers and younger need even more. I think it is partially a function of how much novelty was in your day. If you are retired and every day is virtually the same, you probably don’t really require more than 6 hours.
If I sleep 8.5 or more hours, I am dreamy, and not quite awake, until I get some exercise. I think they call it sleep inertia. Though, if I had poor sleep the night before that, I generally don’t have the sleep inertia.
And how did you lean down your face that much??
He eats very low calories and IF 20:4 window.
Genetics, i could get fat af and my face still looks leaner. Its just different for different people
I’m not great with naps as I’m a night person and will end up sleeping too long in the daytime
Great video, Siim! Your exploration of polyphasic sleeping is fascinating and raises important questions about sleep quality versus quantity. As a fellow health YouTuber, I appreciate how you highlighted the impact on cognitive performance while also addressing the potential downsides of such a drastic sleep schedule.
Research shows that while some individuals may adapt to polyphasic sleep, the majority of us thrive on the recommended 7-9 hours of sleep for optimal health and cognitive function. The importance of REM and deep sleep stages cannot be overstated, as they play crucial roles in memory consolidation and overall well-being.
Dr. Greg Potter’s insights add a valuable scientific perspective, especially regarding the circadian rhythms that govern our sleep patterns. For anyone considering this approach, I’d recommend monitoring how you feel both physically and mentally, as individual responses can vary significantly.
Looking forward to more content like this! Also, congrats on your new book—can’t wait to check it out!
There are a couple genetic variants where they need less sleep and are perfectly refreshed after a few hours. I am really curious if they live shorter lives or just as long. I hope someone does a study. I don’t think these are very common. I would also be curious if their glymphatic system is just more effective.
It would be a great target of genetic modification, if it does not have any downsides. It would be like getting 12–15 more years for free. Just fit in the same 75–85 or so years.
If everyone had the modification, though, they might increase the work hours.
In a related thought. I think it is very sad that so many people have commutes to work and back that take so much time, squandering years of their lives. And the time is often taken from quality time with their children.