Shape (Singapore) - - Live Healthy -

The num­ber of hours of shut-eye a night that can help keep you from adding ex­cess ki­los to your mid­dle, ac­cord­ing to a study in the jour­nal Sleep. Peo­ple who slept for five or fewer hours (or eight or more) had higher amounts of ab­dom­i­nal fat, as well as an in­creased risk of type-2 di­a­betes. It gets worse for the short-time sleep­ers: They put on al­most twice as many inches around their waist over five years as the longer-time snooz­ers. Re­searchers spec­u­late “ex­treme” sleep pat­terns (too much or too lit­tle) al­ter hunger and other hor­mones, and may up­set your daily calo­rie bal­ance by lead­ing you to eat more and ex­er­cise less be­cause of fatigue or just be­ing awake fewer hours.

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