Early to bed, early to rise makes you fit

`Early to bed and early to rise` could be the key to staying lean and more active than night-owls during one`s youth, even though both groups may be getting the same amount of sleep, new research says.

The study recorded the bed times and wake times of 2,200 participants, aged nine to 16 years, and compared their weight and use of free time over four days.

Children who went to bed late and got up late were 1.5 times more likely to become obese than those who went to bed early and got up early, reports the journal SLEEP.

Late-night owls were almost twice as likely to be physically inactive and 2.9 times more likely to be glued to TV and computer screens or play video games for more hours than recommended guidelines.

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