CPSGT exam — passed last month, sharing the resources that actually made a difference
I passed the CPSGT (Certified Polysomnographic Technician) exam on my first attempt last month and wanted to write up what worked since I couldn't find much useful firsthand info when I was studying. I've been working as a polysomnographic technician for 18 months and studied for 7 weeks at about 1.5 hours on weekdays and 2-3 hours on weekend mornings. My final score was in the mid-80s percentage-wise, which felt good given where I started.
The BRPT content outline is your bible for this exam — I printed it out and used it as a checklist, making sure I could answer questions in every content area before sitting for it. The areas I was weakest in were the non-respiratory sleep disorders (parasomnias, movement disorders, circadian rhythm disorders) and the equipment and signal troubleshooting section. Both show up less consistently in a typical sleep lab, especially if your lab skews toward OSA patients like mine does.
I used the RPSGT study guide as my primary resource because the CPSGT doesn't have as much dedicated prep material. About 70% of the content overlaps and studying at a higher level made the actual exam feel more approachable. I also did 300-400 practice questions in the last 2 weeks specifically, which is where my score really consolidated.
Congrats on passing! I'm sitting for mine in 6 weeks. Did you find the actual exam questions were more clinical scenario-based or more technical knowledge recall? Trying to figure out how to weight my prep time between the two.
The RPSGT study guide as prep for the CPSGT is smart advice. I did the same thing and felt like I was overprepared in the best way. The polysomnography scoring rules are worth memorizing cold — probably 15-20% of the exam revolves around AASM scoring criteria.
The equipment section caught me off guard. I've been in a lab for 2 years and still missed questions about electrode impedance ranges, specific filter settings, and what artifact patterns indicate which electrode problems. Spent extra time reviewing that after my diagnostic test flagged it as a weak area.
Parasomnias and circadian disorders are definitely underrepresented in day-to-day lab work but well-represented on the exam. REM sleep behavior disorder, NREM parasomnias, and shift work disorder all showed up in multiple questions when I took it. Worth a dedicated review session on those.