Why Fat People Can't Sleep

The ultimate misery: you're overweight AND you can't get to sleep at night. It turns out these two problems may be related.

Insomnia has long been associated with poor health, including weight gain and even obesity. Now researchers at UCLA have found out why.

In a study to be published in the May issue of the journal Psychoneuroendocrinology and currently available online by subscription, Sarosh Motivala, an assistant professor of psychiatry at the Semel Institute for Neuroscience and Human Behavior at UCLA, and colleagues looked at two hormones that are primarily responsible for regulating the body's energy balance, telling the body when it is hungry and when it is full. The study found that chronic insomnia disrupts one of these two hormones. Read more