There are several reasons for poor sleep. The first environment is related to hot summers, cold winters, excessive noise, etc. The second month is related to physical illness, or colds, etc., which can induce insomnia. The third is related to psychological factors, such as family. Disputes, over-fatigue, excessive mental stress, overwork and poor mentality are related to depression, neurasthenia, schizophrenia, etc., maintain an optimistic and positive attitude towards life, rest on time, and pay attention to diet.