Diagnostic Calculators
Stop relying on generic advice. We've digitized standard clinical questionnaires and pharmacokinetic models. All tools run locally in your browser with transparent mathematical formulas.
Caffeine Half-Life
Calculate residual plasma caffeine levels at bedtime based on standard 5-hour half-life kinetics.
Interactive Model →
STOP-BANG Screener
The standard clinical questionnaire for assessing Obstructive Sleep Apnea (OSA) risk.
Diagnostic Quiz →
Epworth Sleepiness Scale
Measure daytime sleepiness severity to differentiate between fatigue and clinical hypersomnia.
Diagnostic Quiz →
CBT-I Sleep Restriction
Calculate prescribed sleep windows to consolidate sleep and increase homeostatic drive.
Calculator →
Sleep Efficiency Score
Calculate the ratio of Total Sleep Time (TST) to Time In Bed (TIB). The clinical target is > 85%.
Calculator →
Sleep Debt Estimator
Calculate cumulative sleep deficit across a 7-day period based on your biological baseline.
Calculator →