Normal Polysomnography Parameters in Healthy Adults

Normal Polysomnography Parameters in Healthy Adults
Sex Male Female Age Night of Sleep Study First night Second or later night

Parameters	Normal Values	Confidence Intervals	Prediction Intervals
Total Sleep Time (TST)	(minutes)
Sleep Efficiency (SE)	(%)
Wake After Sleep Onset (WASO)	(minutes)
Sleep Onset Latency (SOL)	(minutes)
Rapid Eye Movement Latency (REML)	(minutes)
Total Arousal Index (TAI)	(events/hr)
Stage of Sleep N1	(% TST)
Stage of Sleep N2	(% TST)
Stage of Sleep N3	(% TST)
Stage of Sleep REM	(% TST)
Apnea–Hypopnea Index (AHI)	(events/hr)
Mean SaO2	(%)
Minimum SaO2	(%)
PLMI	(events/hr)
		A confidence interval would be useful to researchers interested in aggregate data. This interval will contain the true population mean for a polysomnography parameter measured in healthy adults with 95% probability.	A Prediction Interval would be useful to clinicians assessing individual polysomnography parameters. This interval is always wider than a confidence interval and will contain an individual value for a polysomnography parameter measured in a healthy adult with 95% probability.
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View the published article in the LANCET journal View Table 2 - Means with 95% CI View Table 3 - Means with 95% CI Disclaimer: The information presented on this website is intended for health providers and researchers to be interpreted in a clinical context. The accuracy of some values is limited by small sample sizes and the data from the source articles used in our original meta-analysis. Please refer to the paper reporting our meta-analysis for further details. Follow this link If you have questions about your health, please consult your health provider. This website does not replace the advice of a health care professional.
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