I can't sleep at night

Night old insomnia is a sleep disorder, may be nervous stress or excessive stay up late, caused by some diseases may also be caused, such as organic disease, patients may show physical discomfort, can also show insomnia, can also be seen in neurasthenia, anxiety and depression patients. Anxiety and depression patients can show psychological symptoms at the same time. Anxiety can show anxiety and irritability, depression can show depression and so on.