Review:

Advanced Sleep Phase Syndrome

overall review score: 4.2
score is between 0 and 5
Advanced sleep phase syndrome (ASPS) is a circadian rhythm sleep disorder in which a person's internal body clock is shifted earlier than the typical sleep-wake cycle, causing them to feel sleepy and fall asleep much earlier in the evening than most people.

Key Features

  • Early onset of sleepiness
  • Difficulty staying awake in the evening
  • Waking up very early in the morning

Pros

  • Individuals with ASPS may have an easier time waking up early for work or school
  • May align better with certain lifestyles or work schedules

Cons

  • Difficulties socializing in the evenings with friends or family
  • Can lead to feelings of isolation and missing out on evening activities

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Last updated: Mon, Mar 30, 2026, 11:12:13 PM UTC