Circadian Rhythm

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Circadian rhythm disorders are disruptions in a person’s circadian rhythm or “internal body clock,” which regulates our 24 hour sleep-wake cycle.

What causes circadian rhythm disorders?

Circadian rhythm disorders can be caused by many factors, including:

  • Shift work
  • Pregnancy
  • Time zone changes
  • Medications
  • Changes in routine

What are the different types of circadian rhythm sleep disorders?

  • Jet Lag
  • Shift work sleep disorder
  • Delayed sleep phase syndrome
  • Advanced sleep phase syndrome
  • Non 24-hour sleep wake disorder

What are the effects of circadian rhythm disorders?

  • Sleep loss
  • Excessive sleepiness
  • Insomnia
  • Depression
  • Impaired work performance
  • Disrupted social schedules
  • Stressed relationships

How are circadian rhythm disorders treated?

Treatment depends on the type of disorder diagnosed. The goal of treatment is to fit a person’s sleep pattern into a schedule that can allow them to meet the demands of their lifestyle.