If patients drink coffee at night, patients tend to be more mentally excited and hyperactive, and patients may not be able to sleep. For these patients, it is recommended that they can drink moderate amounts of milk, they can drink water to speed up the metabolism of coffee, they can take a walk, take a hot bath, they can do massage, they can play Tai Chi, practice yoga, and do more relaxing exercises. Patients who go to bed for 20-30 minutes and still can not fall asleep, it is recommended that patients must get up and go to other rooms to read or write or do housework to divert the attention of patients until they have the desire to sleep and then go to bed. It is recommended that patients try not to drink coffee, strong tea or alcohol at night to avoid insomnia.