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Sleep pattern
Average nightly sleep and weekend catch-up against age-band averages.
Average nightly sleep on work days and on free days. The difference between the two is social jetlag — a published measure of how far your schedule sits from your body clock.
Fill in the fields above and your result appears here instantly. Nothing is sent anywhere — the whole calculation runs in your browser.
This tool provides general wellness information by comparing self-reported measurements with published population data. It does not diagnose, treat or predict any disease, and it is not a substitute for advice from a qualified clinician.