The causes of special sleepiness every morning are the following: 1. Most commonly because of lack of sleep and poor sleep quality leading to neurological weakness in patients. During the day, especially when just waking up feeling sleepy and weak. 2, consider the relationship with the patient’s morning work, study is more intense, more stressful. 3, the patient is particularly sleepy in the morning may also be caused by disease, such as the existence of sleep apnea, the patient’s brain will be in a state of oxygen deprivation at night, so in the daytime, especially in the morning the patient will feel drowsy, not awake, particularly sleepy. 4, the patient is particularly sleepy in the morning may be related to insufficient water intake, if the patient’s body is dehydrated, metabolism will be slowed down to show sleepiness.