Get as close as you can get to PSG with a fully disposable home sleep apnea test

Well-validated in studies versus PSG1

Statistically significant correlation between PSG and WatchPAT® technology across all measures (P<0.001)
High combined AHI and RDI correlation with PSG
High individual correlation with PSG
    • AHI: 89%
    • RDI: 88%
    • ODI: 94%

Strengthened by the blinded design of most of the included studies, this technology represents a viable alternative to PSG for confirmation of clinically suspected sleep apnea.1

Yalamanchali et al, JAMA Otolaryngol Head Neck Surg​

3 Ways WatchPAT® ONE Reduces Infection Risk

Can be shipped directly
to patient

Cloud-based technology to keep you in contact-free control of patient care

Fully disposable after use

Without the WatchPAT® ONE, the impact and effect of COVID-19 on our service would have limited us significantly, which would have impacted upon patient care.

Stephen Emegbo, PhD
Sleep Service Lead, York Teaching Hospitals

Improve your workflow and grow your practice

Easy to use with patient-friendly instructions and no complicated belts, WatchPAT® ONE is ideally suited for your practice, so you can:


Immediate results
Sleep data is available within 2 minutes of test completion

Greater flexibility
Data is securely stored in our cloud-based solution for anytime, anywhere access

Highly efficient
Our simple, seamless system can help free up staff  


No on-site visits needed
So you can add patients outside your service area

No capital investment
So you can grow your practice right now

No backlogs
So you can accept more patients

Increase patient throughput with fast, accurate reporting

Just two minutes from test completion to data access
Sleep data is securely transmitted to CloudPAT®, a HIPAA-compliant, cloud-based solution. As soon as the patient completes the test, the clinician has access to the sleep study for interpretation.

Comprehensive automated report

Features include:

  • AHI
  • Central AHI
  • Apnea Episodes
  • Snoring and Body Position
  • Oxygen and Heart Rate
  • Sleep Stages
  • Body Position Statistics and Graphic Display
  • Snoring Statistics
  • Sleep Stages Graphic Display
  • Respiratory Indices Chart
  • AHI Severity Scale

Monitors True Sleep Time for greater diagnostic accuracy

  • True Sleep Time reduces the risk of misdiagnosis and misclassification that has been reported up to 20% with using total recording time2
  • Calculates AHI and RDI using True Sleep Time rather than recorded time used in most commercially available HSATs

Helps increase accuracy with Sleep Architecture and central sleep apnea identification

  • WatchPAT® Sleep Architecture provides data on sleep staging including sleep efficiency, sleep latency and REM latency3-4
    • Detects REM-related sleep apnea with REM and non-REM AHI
  • Central PLUS Module enables specific identification of central sleep apnea and percent of sleep time with Cheyne-Stokes Respiration

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AASM = American Academy of Sleep Medicine


  1. Yalamanchali et al. JAMA Otolaryngnol Head Neck Surg, 2013, Diagnosis of Obstructive Sleep Apnea by Peripheral Arterial Tonometry (Meta-Analysis)
  2. Comparison of AHI using recording time versus sleep time Schutte – Rodin et al., J Sleep Abs supl 2014, p. A373
  3. Hedner J. et al. A Novel Adaptive Wrist Actigraphy Algorithm for Sleep-Wake Assessment in Sleep Apnea Patients. SLEEP, Vol. 27, No. 8, 2004 :1560-1566
  4. Hedner J. et al. Sleep Staging Based on Automimcal Signals: A Multi-Center Validation Study. JCSM. Journal of Sleep Medicine, Vol. 7, No. 3, 2011: 301 – 306

About the National Sleep Foundation: National Sleep Foundation (NSF) is a 501(c)(3) nonprofit corporation dedicated to improving health and well-being through sleep education and advocacy. Founded in 1990, the NSF is committed to advancing excellence in sleep health theory, education, research and practice. │

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WatchPAT® and PAT® are trademarks of Itamar Medical, Ltd. Copyright © 2021 by Itamar Medical, Ltd. All rights reserved.