Waking up with no energy may be related to poor sleep quality, low blood sugar, anemia and so on. 1. Poor sleep quality: If the quality of sleep at night is low, unable to fall asleep for a long time or in a shallow sleep state, it will cause the body to be unable to get enough relaxation and rest, and thus it is easy to wake up with generalized fatigue. 2. Hypoglycemia: If some people do not get food supplement for a long time or have inborn enzyme metabolism abnormality, the body is prone to hypoglycemia symptoms, such as palpitation, sweating, tremor, general weakness, etc. Therefore, when hypoglycemia is induced by sleep without food for a long time, the symptoms of weakness may appear. 3. Anemia: This disease refers to the reduction of red blood cells in the peripheral blood of the human body, when it is lower than the lower limit of the normal range, it is unable to effectively feed the tissues and organs and cause a series of symptoms. The common symptoms of this disease include headache, dizziness, memory loss, muscle weakness, fatigue, etc., and the symptoms are persistent, so you can wake up with weakness. If the above conditions exist, it is recommended to consult a doctor in time for treatment.