Sleep-wake disorders

Definition

Sleep-wake disorders are characterised by difficulty initiating or maintaining sleep (insomnia disorders), excessive sleepiness (hypersomnolence disorders), respiratory disturbance during sleep (sleep-related breathing disorders), disorders of the sleep-wake schedule (circadian rhythm sleep-wake disorders), abnormal movements during sleep (sleep-related movement disorders), or problematic behavioural or physiological events that occur while falling asleep, during sleep, or upon arousal from sleep (parasomnia disorders).

8 subordinate codes

• 7A00-7A0ZInsomnia disorders
• 7A20-7A2ZHypersomnolence disorders
• 7A40-7A4ZSleep-related breathing disorders
• 7A60-7A6ZCircadian rhythm sleep-wake disorders
• 7A80-7A8ZSleep-related movement disorders
• 7B00-7B0ZParasomnia disorders
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified