Drowsiness is a precursor to what?

Somnolence manifests itself as an excessive prolongation of the sleep state. It may be caused by physiological factors, or it may be a manifestation of diseases, such as endocrine system diseases, neurological disorders, respiratory system diseases, and so on.
1. Physiological factors: such as frequent late nights, hot weather, female menstruation, pregnancy, menopause, etc.
2. Pathological factors: endocrine system diseases, such as hypothyroidism; menopausal syndrome; neurological diseases, such as traumatic brain injury, intracranial tumors, cerebral hemorrhage, Alzheimer’s disease; psychological and psychiatric disorders, such as depression; respiratory diseases, such as chronic obstructive pulmonary disease, sleep apnea syndrome and so on.
Sleepiness may also have other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, and then give targeted treatment or therapy.