Study: Sitting more than eight hours a day has negative impact on sleep

NEW YORK: Insomniacs looking for a good night's sleep may want to hit the treadmill, take a walk or play a game of golf or tennis because a new report released on Monday shows exercise promotes good sleep and the more vigorous the workout the better.

Just 10 minutes of exercise a day could make a difference in the duration and quality of sleep, the survey by the non-profit National Sleep Foundation showed.