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Circadian rhythm sleep disorders Save


ICD-10 code: G47.2

Chapter: Diseases of the nervous system

Circadian Rhythm Sleep Disorders: Understanding the Basics

Our body has a natural 24-hour cycle that regulates various physiological processes, including sleep. This cycle is known as the circadian rhythm, and disruptions to this rhythm can lead to a variety of sleep disorders. Circadian rhythm sleep disorders are a group of conditions where an individual's sleep-wake cycle is out of sync with their natural rhythm, making it difficult to fall asleep at night and stay awake during the day.

  1. Delayed Sleep Phase Disorder (DSPD)
  2. DSPD is characterized by a delay in the sleep onset time, where an individual has difficulty falling asleep until very late at night (usually after midnight) and has trouble waking up in the morning. This can lead to excessive daytime sleepiness and difficulty functioning during the day.

  3. Advanced Sleep Phase Disorder (ASPD)
  4. ASPD is the opposite of DSPD, where an individual's sleep-wake cycle is advanced, causing them to fall asleep early in the evening and wake up early in the morning. This can lead to difficulty staying awake in the evening and early morning hours.

  5. Non-24-Hour Sleep-Wake Disorder
  6. This disorder is characterized by a sleep-wake cycle that is longer than 24 hours, causing an individual's sleep-wake schedule to shift later each day. This can lead to difficulty maintaining a regular sleep schedule and functioning during the day.

  7. Irregular Sleep-Wake Rhythm Disorder
  8. This disorder is characterized by a lack of a regular sleep-wake pattern, with multiple sleep episodes throughout the day and night. This can lead to disrupted sleep and difficulty functioning during the day.

  9. Shift Work Sleep Disorder (SWSD)
  10. SWSD occurs when an individual's work schedule requires them to work during the night or early morning hours, disrupting their natural sleep-wake cycle. This can lead to difficulty falling asleep during the day and excessive sleepiness during work hours.

There are various treatments for circadian rhythm sleep disorders, including light therapy, melatonin supplements, and behavioral interventions like sleep hygiene practices and establishing a regular sleep-wake schedule. It's important to speak with a healthcare professional if you suspect you may have a circadian rhythm sleep disorder to determine the best course of treatment for your individual needs.

In conclusion, circadian rhythm sleep disorders are a group of conditions that can have a significant impact on an individual's ability to function during the day. With proper diagnosis and treatment, however, it is possible to manage these disorders and improve overall sleep quality and daytime