I used to sleep the normal 7.5 hours a day. Over the last 180 days I have slept an average of 5 hours 57 minutes per day.
So, after 2 years of experimentation and occasional deep dives into the scientific literature, here are my theses on sleep:
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wow this is fascinating. i'm not all the way through yet but do you know about anecdotes where advanced meditators need less sleep? iirc i've heard meditation can get you down to 4 hours a night which tracks with the numbers here!
re: sleepiness indicating the boringness of the environment, ime it goes deeper than that. sleepiness can become a psychological defense against many uncomfortable emotions and "boredom" is often hiding one or more of these
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i've heard it called "emotional narcolepsy" and i think some people really do have it bad enough that they will literally fall asleep if they try to feel certain feelings
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When you increase energy use in the brain, you get enhanced slow-wave sleep, which can affect duration via efficiency.
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As far as I understand, good meditative trance basically puts your body in the same restorative state as deep sleep
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spend 4 hours a day meditating in order to sleep 4 hours less a day
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Exercise for 10 hours every week so you live 5 years longer.
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