Sleepiness but can not sleep may be caused by the recent stress, usually pay attention not to give themselves too much pressure, in work and life to learn to relax themselves. Sleepiness but can not sleep may also be caused by a lack of nutrition in the body, or the patient has a sleep disorder, or it may be caused by the patient’s mental hyperactivity or sympathetic excitement, it is recommended to try to create a quiet environment when sleeping, do not sleep in a noisy sound. You can also drink a glass of warm milk, take a hot bath, or read a book before going to bed, which can put the brain in a fatigued state and can make it easier to go to sleep. And there are many people can not sleep because the heart has been thinking that they can not sleep, slowly as long as a sleep will have a sense of anxiety, to exclude this distraction in a timely manner can alleviate this symptom.