Exercise 'can keep you awake, not put you to sleep’ | world | Hindustan Times
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Exercise 'can keep you awake, not put you to sleep’

world Updated: Jun 08, 2009 17:30 IST

PTI
Highlight Story

If you think that a good day’s workout will give you a good night’s sleep, think again, for a new study has revealed that exercise could keep you awake and not put you to bed.

An international team, led by the Walter Reed Army Medical Centre in the US, has found that exercising during the day can keep people awake at night instead of putting them to sleep, The Daily Telegraph reported.

Researchers have based their findings on an analysis of an experiment involving 14 people -- who wore armbands -- monitoring their movements for 23 days.

The study found the more active they were the less they napped. Surprisingly, total sleep time increased by an average of 42 minutes a night after days with low activity, the findings revealed.

In fact, the data collected included total sleep time, exercise energy expenditure and BMI of the participants, seven of whom were a normal size with the others overweight. The increased activity was seen in the group with a higher BMI who also walked more.