The Harvard researchers taught 24 subjects the same visual task, letting 12 people sleep the night after the lesson and keeping 12 others up all night. Both groups were allowed to sleep on the second and third nights, and all were tested on the fourth day. The first group that slept after learning did much better than the others, despite two nights of catch-up sleep, says the report. Get Your Medifocus Medguide Research Your Illness Visit our Medcenter and get your Medifocus Guide , trustworthy medical information specifically about your health condition. Bookstore Visit our Alzheimer's Disease Bookstore and find books on the latest treatments and remedies for your illness.
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