Differential consideration
Hypersomnolence disorder
G47.10Sleep-Wake
Why consider it
no cataplexy; normal hypocretin; no MSLT SOREMP pattern
Criteria and features to review
- A. Self-reported excessive sleepiness (hypersomnolence) despite main sleep period of ≥7 hrs; ≥1 of: recurrent lapses into sleep during same day; prolonged main sleep episode (>9 hrs) that is non-restorative; difficulty being fully awake after abrupt awakening
- B. Hypersomnolence occurs ≥3×/week for ≥3 months
- C. Accompanied by significant distress or impairment
- D. Not better explained by and does not occur exclusively during another sleep disorder; not occurring exclusively during another sleep-wake disorder
Questions to clarify
- Which documented criteria and exclusions are met for each possibility?
- What timeline, course, and functional change best distinguishes the alternatives?
- Are substance, medication, medical, developmental, and contextual explanations adequately assessed?