The 1/8th Sleep
homemade 8-sleep, so you can sleep without a subscription
Tagged “sleep”
Bryan Johnson spends $2 million a year to be 18
TLDR get enough sleep and exercise
Effects of Caffeine on Cognitive Performance, Mood, and Alertness in Sleep-Deprived Humans
yay science
Matthew Walker's "Why We Sleep" Is Riddled with Scientific and Factual Errors
I particularly like the interlude:
no, you can’t randomly cite 2,000-page-long books and hope nobody will read them
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