🧪 Sleep Quality & InsomniaPersistent inability to fall or stay asleepA sleep disorder marked by difficulty falling asleep, waking up too early, or unrefreshing sleep. Analyzer (PSQI + ESS)

Combines Pittsburgh Sleep Quality Index (PSQI) and Epworth Sleepiness Scale (ESS) to clinically assess insomnia severity, daytime sleepiness, and sleep apnoea risk.