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In addition to a lousy diet and lack of exercise, not getting enough sleep can alter your blood sugar enough to increase your chances of developing type 2 diabetes. One study determined that getting less than six hours of sleep over a period of six years raised blood-sugar levels by 4.5 times.

The Takeaway: According to the U.S. Centers for Disease Control and Prevention (CDC), adults should get between seven and nine hours of sleep per night. Also, beware of sleeping pills, which can lead to dependence and may not induce quality sleep.

Get Active! By the Editors. The Active Life. Exercise and Fitness.

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