WatchPAT - HST

Home Sleep Apnea Testing Made Simple

WatchPAT is an FDA-approved portable sleep apnea diagnostic device. An at-home sleep apnea test that uniquely uses finger-based physiology and innovative technology to enable simple and accurate Obstructive Sleep Apnea (OSA) testing while avoiding the complexity and discomfort associated with traditional air-flow based systems.


Used by over 1 million patients worldwide

WatchPAT with its innovative Peripheral Arterial Tone (PAT®) signal is the only FDA-cleared HST device that measures True Sleep Time (rather than the total device recording time) and all sleep stages (wake, light sleep, deep sleep and REM sleep) with up to 90% correlation to a PSG* test.


Thanks to its innovative use of technology, WatchPAT offers unparalleled performance, reliability and satisfaction – for both patients and healthcare professionals.

  • Reliable – only 3 contact points for simple use and reliability (< 1% failure rate)
  • Accurate – only FDA cleared HST device that measures True Sleep Time
  • Comprehensive – the only system (excluding EEG channels) that measures all sleep stages (wake, light, deep, REM)
  • Inclusive – Measures 8 variables:
    • PAT® (Peripheral Arterial Tone) signal
    • AHI
    • RDI
    • Oximetry
    • Actigraphy
    • Heart Rate
    • Body Position
    • Snoring

Six channels of information

PAT—Peripheral Arterial Tone, which is a physiological signal that mirrors changes in the autonomic nervous system caused by respiratory disturbances during sleep. Oximetry—the measurement of oxygen levelsin the blood. Actigraphy—the measurement of body movement while sleeping. Heart Rate—the number of heart beats per minute while sleeping. Body Position—notes whether you sleep on your back (supine), front (prone) or side, all which influence apnea. Snoring Intensity (dB)—loud snoring is a major indicator of sleep apnea.

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About Virtual Sleep Labs

Virtual Sleep Labs has built a complete system that gives clinics and individuals a convenient and inexpensive way to test and treat Obstructive Sleep Apnea.

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Telephone: (800) 977-9813