The syndrome of insomnia were hard sleeping, difficult deep sleeping, sleep lightly, dreamful, mid-night awaken, hard sleeping after awaken, tired after awaken and go into sleeping in the day time.

• 睡眠障碍是由于各种原因引起的人体睡眠和觉醒机制失常，从而造成以睡眠不足为主要表现的一系列与睡眠和觉醒状态有关的疾病。