Tools
Tools for better sleep
Free, instant and unmonetised: no signup, no email address, and no affiliate links anywhere on these pages. Fix the free things first — bedtime and fit — before you spend anything on bedding.
Sleep cycle calculator
Pick your wake-up time and get bedtimes that land at the end of a sleep cycle instead of the middle of one.
Use the calculatorSheet size finder
Mattress size and depth in, fitted-sheet size and pocket depth out — before you buy a set that doesn't fit.
Use the finderSleep debt calculator
How far behind on sleep is your week, really? Honest maths on the gap — and why weekend lie-ins don't fully repay it.
Check your debtCaffeine cut-off calculator
Caffeine hangs around for hours. Pick your bedtime and get the honest last-call time for your final coffee.
Find your cut-off