Results of a large study suggest a dose-dependent relationship between getting less than 8 hours of sleep and increased risky behaviors among teens, including risk-taking while driving, use of alcohol and drugs, risky sexual activity, aggressive behavior, feelings of hopelessness, and self-harm.

“Insufficient sleep may be a driver of several significant public health concerns among youth, and this would include mental health and substance abuse,” author Matthew D. Weaver, PhD, an epidemiologist, sleep researcher, and instructor in medicine at Harvard Medical School, Boston Massachusetts, told Medscape Medical News

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