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. 2022 Jan 14;8(1):e27. doi: 10.1192/bjo.2021.1076

Table 1.

Diagnostic entities in ICSD-3, DSM-5 and ICD-10

ICSD-3 DSM-5 ICD-10
Over 70 disorders classified in seven categories19 Ten disorders for adult, geriatric and paediatric patients10 Two categories of nonorganic sleep disorders in adults and children and one category of nonpsychogenic disorders11
Category: sleep–wake disorders Category: dyssomnias

  1. Insomnia

  2. Sleep-related breathing disorders

  3. Central disorders of hypersomnolence

  4. Circadian rhythm sleep–wake disorders

  5. Parasomnias

  6. Sleep-related movement disorders

  7. Other sleep disorders

  1. Insomnia disorder

  2. Hypersomnolence disorder

  3. Narcolepsy

  4. Breathing-related disorders

  5. Circadian rhythm sleep–wake disorders

  6. NREM sleep arousal disorders

  7. Nightmare disorder

  8. REM sleep behaviour disorder

  9. Restless leg syndrome

  10. Substance-/medication-induced sleep disorder

  1. Insomnia

  2. Hypersomnia

  3. Nonorganic disorder of sleep–wake schedule
Category: parasomnias

  1. Sleepwalking

  2. Sleep terrors

  3. Nightmares

  4. Other nonorganic sleep disorders

  5. Nonorganic sleep disorder, unspecified
Category: nonpsychogenic disorders

  1. Disorders of initiating and maintaining sleep

  2. Disorders of excessive somnolence

  3. Disorders of the sleep–wake schedule

  4. Sleep apnoea

  5. Narcolepsy and cataplexy

  6. Other sleep disorders

  7. Sleep disorder, unspecified

  8. Episodic movement disorder

ICSD-3, International Classification of Sleep Disorders, Third Edition; NREM, non-rapid eye movement; REM, rapid eye movement.