Nervous system

March 18, 2013 - 12:05pm

International flight crews share a never-ending need for a good night’s rest. Now there’s a proven link between exercise in moderation and sleep quality. A new report from the National Sleep Foundation studied 1,000 adults between ages 23 and 60 and found that those who exercised in the seven days before the survey reported better quality of sleep than those who did not. Surprisingly, both groups averaged about the same number of hours of total rest–just short of seven.