Two validated clinical instruments. Complete both for your full sleep health picture. Results are stored on your device and linked to your program.
Measures insomnia — difficulty sleeping at night
Insomnia Severity Index (ISI)
7 questions · ~2 min · Validated clinical instrument (Morin et al., 2011)
For each question, rate the past 2 weeks.
Measures daytime sleepiness — dozing during the day
Epworth Sleepiness Scale (ESS)
8 questions · ~2 min · Validated clinical instrument (Johns, 1991)
Rate your chance of dozing in each situation in your usual daily life.
ISI: Morin et al. (2011), Sleep · ESS: Johns (1991), Sleep · STOP-BANG: Chung et al. (2008), Anesthesiology · These are screening tools, not diagnostic instruments. Results do not replace clinical assessment.