If you’re feeling especially tired today — and it’s Monday — it may be because you didn’t get your normal recharge of sleep this past weekend.
So says a new study published in the journal Sleep by David Dinges and his colleagues.
Researchers came to this conclusion after analyzing the results of a sleep deprivation study on 159 healthy, middle-aged adults.
A group of 142 participants were sleep-deprived by allowing them only four hours of sleep for 5 consecutive nights. But before the sleep deprivation, these subjects were first given two nights of 10-hour sleep periods, to ensure all participants started at similar sleep levels.
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