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10:58 AM, Jun 13, 2011   |    comments
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A new study finds working out in the morning -- helps you sleep better at night.

Researchers at Appalachian State University measured the sleep quality of a group of adults -- who worked out in the morning, afternoon or evening -- on separate occasions.

When the subjects exercised in the morning they spent 85-percent more time in light sleep and 75-percent more time in deep sleep than when they worked out during other parts of the day.

Morning exercise also boosted the number of sleep cycles each night by 20-percent.

The national sleep foundation estimates one quarter of americans don't get enough sleep.

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