Often, many patients feel that they do not get enough sleep and have a feeling of not being able to wake up. There are several reasons for this: 1. Poor sleep quality at night and too short sleep time. Some patients spend too much time looking at cell phones and computers during the day and fall asleep late, resulting in short sleep time at night. 2, obese patients, most of whom are accompanied by sleep apnea syndrome, often snore during sleep, airflow does not pass, there is a feeling of suffocating awake, resulting in poor sleep quality. 3, some patients with neurasthenia and depression, there are always symptoms of fatigue, mental confusion, mental discomfort, always feel that they do not have enough sleep 4, patients with severe anemia, malnutrition, protein deficiency, can also lead to daytime drowsiness. 5, patients with cerebral artery blood supply deficiency, mostly seen in the elderly, most accompanied by hypertension, diabetes, hyperlipidemia, some patients with cerebral arteriosclerosis, vascular stenosis, symptoms of cerebral artery blood supply deficiency, can also appear daytime drowsiness, sleepy state. To sum up, there are some organic diseases that make you feel sleepy every day, and it is hoped that a targeted examination will be conducted to treat the symptoms and the cause.