Sleep Disorders: 20 Sleep Disorders You Should Avoid
Sleep Disorders # 9: Advanced sleep phase disorder
Advanced sleep phase syndrome is a disorder in which the major sleeping affair is advanced in relation to the desired clock time. The body of the patient sets a certain time and this makes the patient go to sleep in the evening and wake up early in the morning. The common symptoms are compelling evening sleepiness, an early sleep onset, and an awakening that is earlier than desired.