Free Sleep Tools
Quick, free screening tools. No account needed.
CPAP Mask Finder Quiz
Answer 6 quick questions about your sleep, breathing, and congestion to find the best CPAP mask type for you.
Epworth Sleepiness Scale
Rate your daytime sleepiness with this validated 8-question screening tool used by doctors worldwide.
STOP-BANG Sleep Apnea Screener
8 yes/no questions to estimate your risk of obstructive sleep apnea. The most widely used screening tool in sleep medicine.
CPAP Compliance Calculator
Manual entry: type nightly hours and track your Medicare 70%/4-hour status. Already importing your SD card? Use the auto compliance tracker on the main app instead.
Sleep Cycle Calculator
Find your ideal bedtime or wake time based on 90-minute sleep cycles. Optional CPAP mode accounts for mask setup time.
Berlin Questionnaire
Assess your risk of obstructive sleep apnea with this validated 10-question screener covering snoring, sleepiness, and BMI.
Insomnia Severity Index (ISI)
Rate your insomnia severity with this validated 7-question screener. Scores map to four clinical categories from none to severe.
AHI Score Lookup
Enter your AHI to see your severity classification, population percentile, and what the research says about treatment options.
CPAP Battery Calculator
Estimate how many nights your CPAP will run on battery power. Compare 7 popular batteries with FAA carry-on status.