Tossing and turning and not being able to sleep is called difficulty sleeping, clinically known as insomnia. The causes of insomnia are many, common are: 1, excessive excitement or excessive sadness before going to bed, resulting in brain nerve stimulation and cause insomnia. 2, often stay up late, play games, irregular life, resulting in disorders of the biological clock and insomnia. 3, drinking too much tea or coffee before going to bed, stimulate the brain caused by cortical excitation and lead to insomnia. 4, the environmental factors, the noise around the room, indoor light affects the rest. 5, too much sleep during the day, the body cells have enough energy, do not need to sleep to get rest. 6, physical disease, such as hyperthyroidism, indoor lighting affects rest. 5, the daytime sleep time is too long, the body cells are more energy, do not need to sleep to get rest. 6, physical diseases, such as hyperthyroidism, trauma, postoperative, etc., resulting in physical discomfort affecting sleep. 7, neurasthenia, fatigue, nervousness, irritability, difficulty in falling asleep. Tossing and turning when you can not sleep, do not lie down all the time, you can get up to take a walk, listen to soothing music, take a hot bath, appropriate massage head, you can also drink warm milk to help you sleep. Prolonged occurrence of this situation need to go to the hospital, under the guidance of the doctor to take sleep-aiding drugs.