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rconti
on Feb 29, 2020
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Why did I wake up before my alarm clock went off? ...
The book Why We Sleep discusses the phase of our sleep that has extremely accurate timekeeping. I've forgotten the details, of course. But I think it's quite clear our brains know precisely what time it is.
kranner
on Feb 29, 2020
[–]
A book on sleep (and more) that deserves to be much more widely known is The Head Trip by Jeff Warren:
https://www.goodreads.com/book/show/2168851.Head_Trip
Consider applying for YC's Spring batch! Applications are open till Feb 11.
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