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Del. Phase Sleep Syn.
Full Name
- Delayed Phase Sleep Syndrome
Symptoms
- Sleep-onset insomnia
- Cannot sleep until early morning though they fall asleep about the same time every night
- Are most active and creative during the night
- Very sleepy during the day
Causes
- Believed to be a disorder of the body’s biological clock
Associated with
- Similar to jet lag, but with longer effects
Treatment
- Stabilization of the sleep/wake schedule for a week
- Light therapy
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