What causes less sleep?

Sleep less, may be plant nerve dysfunction, neurasthenia, anxiety and depression, bad lifestyle, bad eating habits caused. Before going to bed can drink a cup of hot milk, do not do strenuous exercise, before going to bed appropriate music, relax mood, can improve sleep. If anxiety and depression are serious, it can cause difficulty in falling asleep, sleep disorders, less sleep time, poor sleep quality, usually relax, do not eat spicy and exciting food, do not drink strong tea and coffee before going to bed, etc. The above health science knowledge is for reference only, the specific situation needs to be checked in a regular hospital, judged by a professional doctor.