We all know that sleep duration and obesity are
interlinked. Researchers suggest that improper sleep can raise your chances of
Deprivation of sleep results in deep obesogenic
effects on metabolism and appetite.
Chaput and his colleagues at the University of Ottawa conducted a study to
evaluate the effect of sleep duration on obesity. This study was published in
International Journal of Obesity.
Data from a 6-year longitudinal observational
study was assessed. The respondents were adults between 18-64 years old.
Forty-three individuals having short sleep of
less than 6 hours were grouped in two categories. Group one included 23 people
who increased their sleeping hours to 'healthy' sleep duration of about 7-8
hours. And group two consisted of 20 people who continued their short sleep
Identical baseline characteristics were noted in
both groups. However, individuals continuing short sleeping hours had relative
increase in their body mass index and fat mass over a six-year period in
contrast to those short sleepers who increased their sleeping hours.
Chaput stressed that this longitudinal study
data is the first of its kind suggesting that the risk of obesity or weight
gain can be reduced significantly by increasing sleeping hours in individuals
with short sleep duration.
Further clinical trials and sleep interventions
are needed for short-sleepers with weight issues.
A significant point to note is that having long
sleeping hours alone cannot check weight gain. Prevention from acquiring excess
weight is more important.
Concluding, the experts said that a lower fat
mass gain is reported by shifting from short sleeping pattern to a healthy
J-P Chaput et al. Longer sleep duration associates
with lower adiposity gain in adult short sleepers. International Journal of
Obesity (2012) 36, 752-756.