Waking up feeling tired may be due to physiological reasons, sleep apnea syndrome, hypoglycemia and so on. 1. Physiological reasons: If the pressure of work and life is relatively high in recent times, which makes the mood too worried, you may still feel tired after waking up. 2. Sleep apnea syndrome: this disease is mainly due to the narrowing of the upper airway or the decreased ability to maintain the open function. Typical symptoms are sleep snoring, accompanied by recurrent apnea, awakening and hypoventilation, dry mouth and headache in the morning, daytime sleepiness, drowsiness, and poor concentration. So patients sleep and wake up feeling tired. 3. Hypoglycemia: Insufficient intake of sugar, insufficient production, excessive consumption or unsuitable blood glucose regulation program for diabetic patients will cause morning hypoglycemia in the organism, and patients in serious condition will have weakness and cold sweat after waking up. Patients may feel tired when they wake up from sleep. There are many reasons for waking up tired, in addition to the above reasons, neurasthenia, cerebral vascular sclerosis, stenosis plaque, insufficient cerebral blood supply, electrolyte disorders, etc., can also lead to this symptom, if the symptoms persist or aggravate, it is recommended that we go to the hospital in a timely manner, to clarify the cause of the disease, the symptomatic treatment.