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Barrow|Pony · 10 Mar 2007, 19:43

I think I saw a study where a man went into some cave, away from any source of natural light or sound or weather, and kept track of his sleeping pattern.

The conclusion was that humans naturally live off of a 25 hour cycle, which makes it difficult to get into one routine for long periods of time.

10 Mar 2007, 19:43	#16
Barrow\|Pony snadwich fetcher Join Date: Jun 2001 Location: ONE LOVE Posts: 660	Re: The 24 Hour Day I think I saw a study where a man went into some cave, away from any source of natural light or sound or weather, and kept track of his sleeping pattern. The conclusion was that humans naturally live off of a 25 hour cycle, which makes it difficult to get into one routine for long periods of time. __________________ Nude On!