There are a number of different types sleep disorders, clinically called “sleep-wake disorders.” They include:

• Insomnia Disorder
• Hypersomnolence Disorder
• Narcolepsy
• Circadian Rhythm Sleep-Wake Disorders
• Non-Rapid Eye Movement Sleep Arousal Disorder
• Rapid Eye Movement Sleep Behavior Disorder
• Nightmare Disorder
• Restless Legs Syndrome
• Substance/Medication-Induced Sleep Disorder
• Other Specified and Unspecified Sleep-Wake Disorders

Breathing-related sleep disorders include:

• Obstructive Sleep Apnea Hypopnea
• Central Sleep Apnea
• Sleep-Related Hypoventilation

In addition, other sleep-wake disorders may be diagnosed that do not fully meet the criteria for one of the disorders listed above but still cause significant distress or impairment in social, occupational, or other important areas of functioning.