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Delayed Sleep Phase Disorder
Delayed sleep phase disorder is a dys-regulation of a person's circadian rhythm, compared to the conventional bedtime. The disorder affects the timing of sleep, the core body temperature rhythm, hormonal and other daily cycles. This delay in falling asleep causes difficulty in waking up at the desired time.
People who have a delayed sleep phase which interferes with their routine often compensate by napping during the day, or sleeping excessively on weekends to counterbalance the deprived sleep during the week. This can lead to temporary relief, but perpetuates the delayed phase cycle. The most common method of treatment of delayed sleep phase is the gradual scaling back of sleeping times, until they achieve the desired timeframe. Bright light therapy is also an accepted treatment of delayed sleep phase that has shown some positive results. It involves exposure to bright light at early morning hours shortly after waking up, and avoidance of bright outdoor light during the evening hours. This has been demonstrated to readjust the circadian rhythms of individuals to more normal schedules.
Related Journals of Dalayed Sleep Phase Disorder
Journal of Sleep Disorders & Therapy, Journal of Psychiatry, Journal of Neurological Disorders, Behavioral sleep medicine, Journal of Clinical Sleep Medicine, Journal of Sleep Research, Nature and Science of Sleep, Sleep and Biological Rhythms, Sleep Medicine Reviews, Sleep Science, Sleep and Hypnosis, Sleep Medicine Clinics.