Even in young, healthy people, a sleep deficit of three to four hours a night over the course of a week has a triple-whammy effect on the body.
Just this limited amount of sleep deficit interfered with the ability to process carbohydrates, manage stress, and maintain a proper balance of hormones. In just one sleep-restricted week, the study participants had a significant loss in their ability to process glucose and an accompanying rise in insulin. Insulin levels were so high, in fact, that the men were considered to be in a pre-diabetic state.
Weight Loss Action Point
If you want to lose weight, you should make sure that you are getting sufficient sleep in addition to following a healthy diet and exercise program. For most of us, that means, you’ll need 7 hours or more a night.