推荐回答（1个）
Research by Henry Ford Hospital Sleep Disorders Center found that people who slept eight hours and then claimed they were "well rested".
扩展资料
actually performed better and were more alert if they slept another two hours.That figures.
Until the invention of the lightbulb ,the average person slumbered 10 hours a night.Staying up late in the night is a way to torture your body with high blood pressure and cholesterol.
These are the risks associated with the heart. If you do not want to worsen the situation get sufficient sleep.A peaceful sleep in the night relieves physical and mental stress that is caused during the process of regular activities. It relaxes the body and mind. With insufficient sleep you are risking your health with heart strokes and other diseases.
Sleeping early will let you complete your 7 hours of sleep and make you fresh the next morning. It gives you the energy to perform better. An alert mind can also concentrate well.
It is suggested that everyone should go to bed early and get up early to form a good sleep habit.
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