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Pearl · 04 of 05

Ask about sleepiness before you prescribe CPAP

Assess daytime sleepiness at diagnosis; it is the strongest reason to start CPAP.

The decision to treat obstructive sleep apnoea turns as much on symptoms as on the apnoea-hypopnoea index. Ask about daytime sleepiness, unrefreshing sleep, nocturia and drowsy driving, and use a structured score such as the Epworth Sleepiness Scale. A sleepy patient has the clearest benefit; a patient without symptoms needs a shared decision.

  • Record an Epworth score or equivalent at diagnosis.
  • Ask specifically about drowsiness while driving.
  • Review symptoms again after starting CPAP to judge benefit.

Why it matters

Sleepiness both predicts benefit and drives adherence.

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