Study finds relation between obesity and sleep duration

New Delhi, Wed, 02 Apr 2008 NI Wire
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Beauty Sleep, the word has been mentioned quite often by those who prefer sleeping instead of various therapies to acquire beauty. And here is a scientific research to claim another aspect of beauty that relates sleeping too much or too little with weight gain.


The study published in Journal of the American Academy of Sleep Medicine, led by Jean-Philippe Chaput, of Laval University in Quebec, Canada, puts some interesting facts related to our sleep duration.

During the study, 276 adults were examined for their body composition measurement and sleep duration between age group of 21-64.

Also the changes in fatty indices were compared among short (five to six hours), average (seven to eight hours) and long (nine to 10 hours) duration sleeper groups.

After adjustment for age, sex, and baseline body mass index, the result suggested that those who slept for too short gained 1.98 kg more and those who slept for long hours gained 1.58 kg more than those who slept for average duration for six years.

The result interestingly finds a link between obesity and those who slept either too short and or for too long duration. The risk was 27% and 21% respectively.

Chaput said, “Our study provides evidence that both short and long sleeping times predict an increased risk of future body weight and fat gain in adults. Furthermore, these results emphasize the need to add sleep duration to the list of environmental factors that are prevalent in our society and that contribute to weight gain and obesity.

“Since preventing obesity is important, a pragmatic approach adding sleep hygiene advice to encouragement towards a healthy diet and physical activity may help manage the obesity epidemic,” he added.

Loosing out on sleep has become a major concern due to change in our lifestyle, sleep is a necessary part of our life and we spent major part of our life span sleeping. Though the duration varies from person to person but researchers insist that optimal amount of sleep, one required is between 7-8 hours per night.

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