Build the calculation before answering the question
Build confidence with sleep-technology calculations for timing, epochs, sleep architecture, indices, and PAP. Each skill guides you from an explanation and worked example through practice and a mastery check.
Math Coach skills
Current coverage includes AHI, sleep efficiency, TST, stage percentage, epoch conversion, TRT, sleep onset latency, WASO, sleep period, total wake time, arousal index, and bilevel pressure support.
Calculator
Use the same calculator available in focused Practice while you work through formulas, timing, indices, percentages, and PAP calculations. The calculator is temporary scratch work: it does not save calculations or change Math Coach mastery.
Coach Bob: Set up the formula and units first, then use the calculator to check the arithmetic.
Study calculator
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