网友回答：
“early to bed， makes a man healthy， we shall be healthy. people must have enough time to sleep. we should sleep for 8 hours every day. so we must do our homework quickly and go to bed before 10 p.m. proverbs can always give us some enlightenment. to know
温馨提醒：随时光变迁，文中所陈述观点；准确性、难免有所变动，因此文中观点仅供参考。
