this post was submitted on 05 Nov 2025
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archeology
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If anyone could tell me if this sleep pattern is biologically or in any other way better, that would be awesome.
There was a study where some people lived in utter darkness for several months. After a couple of weeks, they all went on a 48 hour day schedule, meaning they would just sleep once every 48 hours.
Not sure if that answers the question, but it was an interesting and unexpected outcome.
Studies show that in total darkness people have a 24-25 hour rhythm to their sleep.
Sounds like you read an anomolous study.
Maybe it's true for very large values of an hour?
May have disremembered it, I remembered this from years ago and a quick search didn't give me the study so I don't know.
It was / is a real study, you didn't imagine it I guess, but it was an anomaly!
Ah, thanks for clarifying. Glad that my memory is not as terrible as my wife sometimes claims it is (although definitely selective and biased towards obscure tidbits of knowledge).
It does not, but it helps.
I’ve done it before but not at night. When I had to be up at 4 for work, I would sleep from like 20-00 then be up for a few hours before work, and take another 4 hour nap when I got home. It felt like I had infinite time on my hands and I was always prepared for anything. That drag I was used to at the end of my work day was gone.
Now I work 12 hour shifts, and returning to a continuous sleep has made my sleep schedule so inconsistent and exhausting.
"That drag I was used to at the end ofmy work day was gone."
Interesting, seems worth a try.
Do you have any recommendations?
Do you think you precise regiment is appropriate or is there a better way like maybe 20-3, then be wakeful for an hour and go back to sleep till the morning?