A. Intrinsic sleep disorders

1. Psycophysiological insomnia
2. Sleep state misperception
3. Idiopathic insomnia
4. Narcolepsy
5. Recurrent hipersomnia
6. Idiopathic hipersomnia
7. Posttraumatic hipersomnia
8. Obstructive sleep apnea syndrome
9. Central sleep apnea syndrome
10. Central alveolar hypoventilation syndrome
11. Periodic limb movement disorder
12. Restless legs syndrome
13. Intrinsic sleep disorder non otherwise specified

B. Extrinsic sleep disorders

1. Inadequate sleep hygiene
2. Environmental sleep disorder
3. Altitude insomnia
4. Adjustment sleep disorder
5. Insufficient sleep syndrome
6. Limit-setting sleep disorder
7. Sleep-onset association disorder
8. Food allergy insomnia
9. Nocturnal eating (drinking) syndrome
10. Hypnotic-dependent sleep disorder
11. Stimulant-dependent sleep disorder
12. Alcohol-dependent sleep disorder
13. Toxin-induced sleep disorder
14. Extrinsic sleep disorder non otherwise specified

C. Circadian rhythm sleep disorders

1. Time zone change (jet lag) syndrome
2. Shift work sleep disorder
3. Irregular sleep-wake pattern
4. Delayed sleep phase syndrome
5. Advanced sleep phase syndrome
6. Non-24-hour sleep-wake disorder
7. Circadian rhythm sleep disorder non otherwise specified

A. Arousal disorders

1. Confusional arousals
2. Sleepwalking
3. Sleep terrors

B. Sleep-wake transition disorders

1. Rhythmic movement disorder
2. Sleep starts
3. Sleep talking
4. Nocturnal leg cramps

C. Parasomnias usually associated with REM sleep

1. Nightmares
2. Sleep paralysis
3. Impaired sleep-related penile erections
4. Sleep-related painful erections
5. REM sleep-related sinus arrest
6. REM sleep behavior disorder

D. Other parasomnias

1. Sleep bruxism
2. Sleep enuresis
3. Sleep-related abnormal swallowing syndrome
4. Nocturnal paroxismal dystonia
5. Sudden unexplained nocturnal death syndrome
6. Primary snoring
7. Infant sleep apnea
8. Congenital central hypoventilation syndrome
9. Sudden infant death syndrome
10. Benign neonatal sleep myoclonus
11. Other parasomnias non otherwise specified

A. Associated with mental disorders

1. Psychoses
2. Mood disorders
3. Anxiety disorders
4. Panic disorders
5. Alcoholism

B. Associated with neurological disorders

1. Cerebral degenerative disorders
2. Dementia
3. Parkinsonism
4. Fatal familial insomnia
5. Sleep-related epilepsy
6. Electrical status epilepticus of sleep
7. Sleep related headaches

C. Associated with other medical disorders

1. Sleeping sickness
2. Nocturnal cardiac ischemia
3. Chronic obstructive pulmonary disease
4. Sleep related asthma
5. Sleep related gastroesophageal reflux
6. Peptic ulcer disease
7. Fibrositis syndrom

1. Short sleeper
2. Long sleeper
3. Subwakefulness syndrome
4. Fragmentary myoclonus
5. Sleep hyperhidrosis
6. Mentrual associated sleep disorder
7. Pregnancy associated sleep disorder
8. Terrifying hypnagogic hallucinations
9. Sleep related neurogenic tachypnea
10. Sleep related laringospasm
11. Sleep choking syndrome