Advanced Sleep Phase Syndrome
Advanced sleep phase syndrome (ASPS) is a sleep condition characterized by falling asleep early, usually between 6 p.m. and 8 p.m., and waking up before dawn (usually waking between 1 and 3 a.m., no later than 5 am.). Advanced sleep phase syndrome is a circadian rhythm disorder which is more likely to appear in those over the age of 65. Advanced sleep phase syndrome is usually caused by either poor sleep habits or a stress related factor. If the problem persists for more than four weeks, professional advice should be sought since it may lead to the development of other sleep related disorders like insomnia. It also has been related to daytime sleepiness, fatigue and their is an increase of depression.
What causes Advanced sleep phase syndrome?
Advanced sleep phase syndrome is related to the circadian rhythms which controls Our 24 hour body clock (biological clock) is located in our brain behind the eyes in our brain. It controls when we feel alert and when we feel tired. The exact reason for ASPS is not known but it has been found to be related to a shorter than normal sleep cycle length and in some cases it is believed to be related to genetics.
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