The big sleep
Question: Why do you feel tired in the morning after a night’s sleep of
perhaps 10 hours, but after a few hours’ sleep you feel wide awake?
Answer: The answer to the question depends first on how much sleep you needed
that night. If you are catching up on a lot of lost sleep—and we usually
need to recoup one-third of the sleep we have lost—then a good 10 hours’
sleep would result in your feeling refreshed and alert. If, however, you do not
need the full 10 hours’ sleep but still take it, then…
