Philippe Caquant wrote:
> There is also the case of the speleolog who lives in a
> cave for several months, without any watch or other
> possibility to know the 'real' time.
IIRC, studies have shown that if left to our own devices, we begin to run on
something approaching a 25-hour day.
It was not 10:00 p.m,
> but 10:00 a.m ! I had not slept 15 hours as I thought,
> but 3 ! It was not night, but day ! The people I ha