Diagnostic criteria and codes - sleep wake disorders - hyper somnolence disorder

3 important questions on Diagnostic criteria and codes - sleep wake disorders - hyper somnolence disorder

What is criteria A for hyper somnolence disorder?

Self-reported excessive sleepiness, despite sleeping period of at least 7 hours. At least 1 one of:
  • Recurrent periods of sleep or lapses of sleep within the same day
  • A prolonged main sleep episode of more than hours per day that is nonrestorative
  • Difficulty being fully awake after abrupt awakening 

What is criteria B for hyper somnolence disorder?

>3 times a week, >3 months

Specifiers for hyper somnolence disorder?

Specify if:
  • With non–sleep disorder mental comorbidity, including substance use disorders
  • With other medical comorbidity
  • With other sleep disorder

Specify if:
  • Acute: Duration of less than 1 month.
  • Subacute: Symptoms last at least 1 month but less than 3 months.
  • Persistent: Symptoms last 3 months or longer.

Specify current severity based difficulty maintaining daytime alertness
  • Mild: Difficulty maintaining daytime alertness 1–2 days/week.
  • Moderate: 3–4 days/week.
  • Severe: 5–7 days/week. 

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