Prab
Created page with "Advanced sleep phase syndrome (ASPS) is a circadian rhythm disorder in which an individual's natural sleep-wake cycle is shifted several hours earlier than the typical 24-hour day, causing them to fall asleep and wake up earlier than is socially acceptable. This can lead to difficulty staying awake in the evening and early morning hours, which can disrupt a person's work or social life. thumb|Advanced sleep phase syndrome ==Risk factors==..."