Sleeping late may make you put on weight: study


Washington, Jun 9 (PTI): Sleeping late may be associated with higher fast food consumption and lower vegetable intake as well as reduced physical activity, a new study has warned.

The results show that late sleep timing in healthy adults with a habitual sleep duration of at least 6.5 hours is linked with poorer diet quality, particularly fast food, vegetable and dairy intake, researchers said.

"Our results help us further understand how sleep timing in addition to duration may affect obesity risk," said Kelly Glazer Baron from Northwestern University in the US.

"It is possible that poor dietary behaviours may predispose individuals with late sleep to increased risk of weight gain," said Baron.

Researchers studied 96 healthy adults between the ages of 18 and 50 years with sleep duration of 6.5 hours or more.

The study involved seven days of wrist actigraphy to measure sleep, food diaries to measure caloric intake and dietary patterns, and SenseWear arm band monitoring to measure physical activity.

Dim light melatonin onset was evaluated in the clinical research unit. Body fat was evaluated using dual axis absorptiometry, researchers said.

Data was analysed using correlation and regression analyses controlling for age, sex, sleep duration and sleep efficiency.

The findings showed that late sleep timing was associated with higher fast food consumption and lower vegetable intake, particularly among men, as well as lower physical activity, researchers said.

The findings were published in the journal Sleep.

  

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Title: Sleeping late may make you put on weight: study



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