It is caused by neurasthenia and autonomic nerve regulation disorder. I suggest you pay attention to reducing the excitement of your brain, do gymnastics before going to bed and relax properly. It is best to use Anshen Bunao Liquid or Zaoren Anshen Granule for treatment under the guidance of a doctor.
Suggestion:
Usually eat more nuts, such as walnuts and sunflower seeds. Arrange work and rest time reasonably, avoid fatigue and don't stay up late often. congratulations