Sleep Study (Polysomnography)

Understanding Sleep Study (Polysomnography)

Overnight or home-based recordings used to assess selected sleep disorders.

Why might it be recommended?

Sleep studies may be advised for snoring, possible sleep apnea or excessive daytime sleepiness.

What to expect

Sensors may track breathing, oxygen levels, heart rate and other signals during sleep.

Before your appointment

Confirm the test type, usual bedtime, medicines and any pre-test restrictions.

Information is general and does not replace your clinician's advice. Test availability, suitability and preparation must be confirmed with the provider.