STUDY: Does exercise at night keep you awake?

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If the first thing you do in the morning — besides turning on the a.m. news — is working out, listen up:

Late night exercising may work just as well to get a good start in the morning.

Early morning exercisers often seek the adrenaline rush that workouts provide — a way to get the blood pumping and the body going.

That’s the same reason many people say they avoid late night exercise– because they don’t want to get wound up before settling down to go to bed.

But a new article at takes a look at that argument, and says it may not be correct.

It quotes a national sleep foundation poll which looked at the sleep habits of 1000 people — and found 83% reported that exercising at any time of the day helped them sleep better than people who didn’t exercise at all.

It also cites another study which showed people slept just as well when they exercised for about half an hour before they went to bed than on nights when they avoided workouts. One sleep medicine a doctor at Harvard Medical School says there is anecdotal evidence that late night exercising does keep a few people from winding down — as their body temperature rises and so does their adrenaline levels.

The bottom line advice is that exercising any time of the day is better than not at all.

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