The "two-sleep" system (two periods of sleep at night, separated by wakefulness)
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Zaria Gorvett, The forgotten medieval habit of 'two sleeps', *BBC Future*,
Jan 9, 2022. Much of the article is apparently based on, Roger Ekrich, *At
Day...
1 hour ago
1 comments:
Hmmm... I thought SoCal wouild have been ALL red.
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