Z is for Zzzzs

When you skimp on sleep, your brain thinks you're low on fuel and sends a message to your stomach to start growling. A study published in the American Journal of Epidemiology found that among 68,183 women, those who slept for 5 hours or less were an average of 2.25kgs heavier than women who snoozed for 7 hours. Want to stay slim? Go to bed.

Photo by istock Oct 27, 2011

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