Home Sleep Test 2026: WatchPAT vs Lofta vs Nox T3 Compared
By Dr. Sarah Mitchell, Respiratory Equipment Specialist · Published 2026-06-03 · 8 min read
Home sleep apnea tests now match lab polysomnography for diagnosis. Compare accuracy, cost, and turnaround for the top 2026 options.
Diagnose OSA Without a Sleep Lab
WatchPAT One
- Disposable wrist + finger sensor
- Uses peripheral arterial tonometry (PAT)
- Accuracy: 89% vs lab PSG
- Cost: $189-$249 cash
Lofta (uses NightOwl ring)
- Fingertip ring, 3-night study
- Telehealth physician interpretation included
- $189 cash, often free with insurance
- Turnaround: results in 5-7 days, CPAP shipped if positive
Nox T3
- 8-channel respiratory polygraph
- Includes nasal cannula + thoracic/abdominal belts
- Most clinically rigorous HSAT
- Usually rented through a sleep clinic
Which to Pick
- Quick diagnosis + Rx: Lofta
- Most clinically accurate: Nox T3
- Travel-friendly: WatchPAT One
Once diagnosed, choose your machine from our CPAP collection.