As people get older, they have less time to sleep. Many older people think that sleep is not as important to them as it was when they were younger. In fact, this is a misconception. Adequate and efficient sleep is more important for the health of older people. Older adults should get at least six hours of sleep a day. In the preparation, posture and habits of sleep should also pay attention to the following taboos. First, avoid eating before going to bed After entering the sleep state, the body part of the rhythm of activity is slowed down, into the state of rest. If you eat before going to bed, the stomach and intestines and other busy, which increased their burden, the rest of the body can not get a good rest, not only affect the sleep, but also detrimental to health. Second, avoid excessive brain before going to bed, such as work and study habits at night, to finish the more brain-wrenching beforehand, before going to bed, do something more relaxed, so that the brain to relax, so it will be easy to fall asleep. Otherwise, the brain is in a state of excitement, even lying in bed is difficult to sleep, for a long time, but also prone to insomnia. Third, avoid emotional excitement before going to bed People’s happiness and sadness are easy to cause the nerve center of the excitement or disorders, making it difficult to fall asleep, and even cause insomnia. Therefore, before going to bed, we should try to avoid great joy and anger or worry and anger, so that emotional stability. Fourth, avoid talking before going to bed because talking is easy to make the brain excited, active mind, thus affecting sleep. Fifth, avoid drinking strong tea and coffee before going to bed Strong tea and coffee are stimulating beverages, containing caffeine and other substances that can make people in a state of mental arousal. Drinking before going to bed is easy to cause difficulty in falling asleep. Six, avoid sleeping on your back Sleeping posture, to the right side and lie down for the best, so that the whole body bones, muscles are in a natural state of relaxation, easy to fall asleep, but also easy to eliminate fatigue. Lie on your back so that the whole body bones, muscles are still in a tense state, is not conducive to the elimination of fatigue, but also prone to produce nightmares due to the hand on the chest, affecting the quality of sleep. Seven, avoid open mouth and sleep, open mouth to sleep, the air in the virus and bacteria are easy to take advantage of, resulting in “sick into the mouth”, but also easy to make the lungs and stomach by the cold air and dust stimulation, causing disease. Eight, avoid sleeping with their heads covered Older people are afraid of cold, especially in winter, like to sleep with their heads covered. In this way, because a large number of inhalation of carbon dioxide out of their own whistle, and the lack of necessary oxygen supplementation, extremely unfavorable to the body. Nine, avoid lying down for a long time Chinese medicine believes that “lying down for a long time hurt gas”, too much sleep will appear dizziness, mental depression, loss of appetite. Ten, avoid when the wind and sleep room to maintain air circulation, but do not let the wind blow directly to the body. Because people sleep, the body’s ability to adapt to the external environment is reduced, if the wind and sleep, for a long time, the cold air will invade from the capillary, causing cold and wind chill and other diseases. Eleven, avoid eye to light and sleep when people fall asleep, although the eyes are closed, but still feel the light. To the light and sleep. Easily make people uneasy, difficult to sleep, and even if you fall asleep is also easy to wake up. Twelve, avoid leaning against the fireplace or heater to sleep This way, the human body overheating, prone to cause boils and other heat disorders. In addition, when getting up at night because of urination and defecation, leaving the warm environment is also easy to get cold and flu.