求翻译：在日常生活中，很多同学作息时间无规律，该休息的时候不休息，经常熬夜。殊不知，睡眠具有非常重要的生理意义，可以增强免疫力，康复机体，促进生长发育，延缓衰老，而且有利于皮肤美容。是什么意思？

In daily life, many students erratic schedule, the rest of the time without a break, often stays up late. As everyone knows, sleep has a very important physiological significance, can enhance immunity, the body recovery, promote growth and development, aging, but also to skin care.

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In daily life, very many schoolmates daily schedule disorder, this rest time does not rest, stays up late frequently.Has never realized, the sleep has the extremely important physiological significance, may strengthen the immunity, recovery organism, the promotion growth growth, delays senilly, more

In daily life, many students daily routine irregular, the rest of the time without a break, often staying up late. Little do they know, has a very important physiological significance of sleep, strengthens immunity, recovered the body, promote growth and development, postpone aging, but also to skin

In daily life, a lot of classmate daily schedules are irregular, do not have a rest this break, often stay up. Hardly realize, the sleep has very important physiological meanings, can strengthen immunity, recover organism, promote to grow, slow aging, and help the skin to improve looks.