Cardiovascular disease
Endocrine disorder.
Lack of trace elements. Wait a minute.
I suggest you go to a regular hospital for a comprehensive examination, diagnose the cause and treat it correctly.
More importantly, look at your sleep, diet and emotional state during this time, which may have an impact on you. It also depends on whether these problems are caused by physical diseases. This needs further examination to be clear, and targeted treatment is being carried out.