RST Practice Test 2026 — Free RST Exam Prep Questions
The ABSM Sleep Technologist Registry Examination certified sleep technologists who perform polysomnography, score records and understand sleep disorders. The ABSM stopped offering it in 2022, but its blueprint still maps the core of sleep technology. Our practice set follows that blueprint — study performance, record scoring and understanding sleep disorders — and is useful for RST holders refreshing their knowledge or preparing to move to the RPSGT.
A patient with daily sleepiness has a normal overnight PSG with adequate sleep, followed by an MSLT. Which MSLT result is consistent with a diagnosis of narcolepsy?
RST format, scoring & key facts
Computer-based at Kryterion testing centers or online proctored (when offered).
Facts last verified Oct 5, 2026. Source: absm.org/wp-content/uploads/2018/11/RST-Exam-Handbook_19.pdf. Always confirm details with ABSM before your exam.
When can you take the RST?
Plan backwards from your exam date
What the RST covers
Every PrepBanq RST test mirrors the official domain weights.
Domain distribution
% of the exam| Content domain | Weight | ≈ Questions on exam | Our practice questions |
|---|---|---|---|
Study PerformanceElectrode application, interventions, patient care, artifact recognition, diagnostic protocols, instrumentation and signal processing, sleep center emergencies and post-study activities. | 45% | ~68 | 11 questions → |
Record ScoringSleep staging, waveform recognition, respiratory, movement and cardiac event scoring, and pediatric scoring. | 30% | ~45 | 8 questions → |
Understanding Sleep DisordersSleep-related breathing and movement disorders, hypersomnias, pediatric sleep disorders, insomnia and parasomnias. | 25% | ~38 | 6 questions → |
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RST FAQ
How many questions are on the RST?
The RST has 150 questions and you have 4 hours to finish. Question types: Single-best-answer multiple choice.
How long is the RST exam?
Testing time for the RST is 4 hours.
What is on the RST?
The RST covers Study Performance (about 45%), Record Scoring (about 30%), Understanding Sleep Disorders (about 25%).
Who administers the RST?
The Registered Sleep Technologist (RST) Exam is administered by ABSM. Delivery: Computer-based at Kryterion testing centers or online proctored (when offered).
Is there a free RST practice test?
Yes. PrepBanq has 3 free RST practice tests with 25 exam-style questions in the real RST formats, and every answer is explained. No credit card is needed.
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