Advanced Sleep Phase Syndrome (ASPS) is a sleep disorder characterized by an abnormal sleep pattern in which a person falls asleep very early in the evening and wakes up very early in the morning. People with ASPS typically have difficulty staying awake in the evening and may experience excessive sleepiness during the day.

ASPS is a type of circadian rhythm disorder, which means that it is caused by a disruption in the body's natural sleep-wake cycle. It is more common in older adults, but it can also occur in younger people.

Symptoms of ASPS may include:

  • Difficulty staying awake in the evening
  • Waking up very early in the morning, often before 6:00 am
  • Excessive sleepiness during the day
  • Difficulty falling asleep or staying asleep at a more typical bedtime
  • Difficulty functioning at work or school due to sleepiness

Treatment for ASPS may include light therapy, medications, or changes to sleep habits and routines. It is important to speak with a medical or mental health professional for a proper diagnosis and treatment plan.

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