Answer:
Stay at a healthy weight. Lower your risk for serious health problems, like diabetes and heart disease. Reduce stress and improve your mood. Think more clearly and do better in school and at work.
Lack of sleep is associated with many negative health effects, including increased risk of heart disease, depression, weight gain, inflammation, and sickness. Though individual needs vary, most research suggests that you should get between 7 and 9 hours of sleep per night for optimal health.
