1. Psychopsychology Department: If insomnia is serious enough to affect daily life, and you can't maintain your energy and basic vitality during normal work and study hours, it is regarded as a serious situation and you need to see a doctor in time.

2. Neurology: If it is caused by sleep apnea, frequent hypoxia and snoring during sleep lead to frequent waking at night, which requires neurology.

3. Psychology: If it is caused by depression or anxiety, I will have many dreams at night. This situation needs scientific attention.