Total insomnia at night is mainly caused by too much mental stress, too many things to think about and too much tension during the day. What you need to do is to sleep with a normal heart. There is also to adjust your living habits, don't stay up late before going to bed and relax yourself.
(1) Normal and natural mentality. There is no need to worry too much about insomnia. The more nervous you are, the more you force yourself to sleep, and the result is counterproductive.
(2) Physical and mental relaxation is beneficial to sleep. Take a walk outdoors before going to bed, relax yourself, take a bath or soak your feet with hot water before going to bed, which is conducive to smooth sleep.
(3) drink hot milk. Drinking a cup of hot milk with sugar before going to bed can increase the secretion of insulin, increase the entry of amino acids into brain cells and promote the brain to secrete serotonin for sleep.