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STOP-BANG Sleep Apnea Screen — Free Online Tool

Validated 8-question sleep apnea risk

STOP-BANG validated screen for obstructive sleep apnea. 8 yes/no questions. 3+ = intermediate risk, 5+ = high risk. See sleep doctor for polysomnography.

STOP-BANG questionnaire (validated):

Each Yes = 1 point. Public domain. Mnemonic: STOP (Snoring, Tired, Observed apnea, blood Pressure) + BANG (BMI, Age, Neck, Gender).

Snoring — Do you snore loudly (loud enough to be heard through closed doors)?
Tired — Do you often feel tired, fatigued, or sleepy during the daytime?
Observed — Has anyone observed you stop breathing during your sleep?
Pressure — Do you have or are you being treated for high blood pressure?
BMI greater than 35?
Age over 50 years old?
Neck circumference greater than 40 cm (16 inches)?
Gender — Are you male?
Where to get tested: 🇺🇸 Sleep medicine doctor referral · 🇩🇪 DE: Schlaflabor (Klinik) — Krankenkasse zahlt bei klin. Verdacht · 🇬🇧 NHS GP → sleep clinic. Treatment (CPAP) often life-changing for moderate-severe.
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STOP-BANG Sleep Apnea Screening

STOP-BANG validated 8-item screen for obstructive sleep apnea (OSA). Higher sensitivity than other tools. Used in pre-surgical screening + primary care. Public domain.

How to use this tool

  1. 1

    8 yes/no questions

    STOP-BANG mnemonic.

  2. 2

    Risk score

    0-2 low, 3-4 intermediate, 5+ high.

  3. 3

    Next step

    Sleep doctor for polysomnography.

Frequently Asked Questions

Why does sleep apnea matter?
Untreated obstructive sleep apnea (OSA): 2-3× cardiovascular risk, daytime fatigue, accident risk. ~25% of adults have moderate-severe OSA. Treatable with CPAP or oral appliance — life-changing for users.
Symptoms beyond snoring?
Daytime sleepiness despite "8 hours sleep", witnessed breathing pauses, gasping/choking awakenings, morning headaches, mood changes, focus problems. Bedpartner often notices first.
How is it diagnosed?
Polysomnography (in-lab) or home sleep apnea test (HSAT). Measures AHI (apneas + hypopneas per hour). 5-15 mild, 15-30 moderate, 30+ severe. Insurance covers when prescribed.

Key Takeaways

  • STOP-BANG Sleep Apnea Screen is a free, browser-based calculator tool — validated 8-question sleep apnea risk.
  • No signup, no downloads, no file uploads — your data stays on your device.
  • Works on desktop, tablet, and mobile. Install as a PWA for offline access.

How to Use STOP-BANG Sleep Apnea Screen

  1. Open the tool: Launch STOP-BANG Sleep Apnea Screen on Toololis — no account or download needed.
  2. Enter your data: Paste text, enter values, or select a file directly in your browser.
  3. Get instant results: Everything is processed locally — results appear immediately.
  4. Copy or download: Save your output or share it. Bookmark for quick access next time.

STOP-BANG Sleep Apnea Screen — Quick Facts

Price
Free — no limits, no watermarks, no paywalls
Privacy
100% browser-based — no data is sent to any server
Platform
Any modern browser on desktop, tablet, or mobile
Category
Calculator Tools on Toololis
Offline
Works offline after first visit (Progressive Web App)
FeatureDetails
ToolSTOP-BANG Sleep Apnea Screen
CategoryCalculator
Signup RequiredNo
File UploadNone — processed in browser
Mobile SupportFully responsive
CostFree forever

Why Use STOP-BANG Sleep Apnea Screen?

You should try STOP-BANG Sleep Apnea Screen for a quick, private way to validated 8-question sleep apnea risk. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.

On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.

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100% Privacy. This tool runs entirely in your browser. Your data is never uploaded to any server.