睡觉是我们日常生活中所必须进行的一项生理活动。睡眠看似简单,但是要想保持健康有效的睡眠效率,其实大有学问。研究证明,睡眠对于人类健康非常重要,长期睡眠不足不仅会影响身体健康,还会加快面部衰老,毫不夸张地说,睡眠是健康的巨大源泉。所以,中老年朋友们要想保持健康的睡眠,提高自身免疫力,使身体焕发和保持青春活力,应养成以下三个好习惯。 Sleeping is a physical activity that must be carried out in our daily life. Sleep seems simple, but in order to maintain a healthy and effective sleep efficiency, in fact, a lot of learning. Studies have shown that sleep is very important for human health, long-term lack of sleep will not only affect their health, but also accelerate facial aging, it is no exaggeration to say that sleep is a huge source of health. Therefore, middle-aged and elderly friends in order to maintain a healthy sleep, enhance their own immunity, make the body glow and maintain its vitality, should develop the following three good habits.