Sleep & Mental Wellbeing calculators
Sleep planning and mood screening tools.
Bedtime Calculator
Best bedtimes to wake up between 90-minute sleep cycles.
Wake-Up Time Calculator
When to set your alarm if you go to bed now.
Sleep Debt Calculator
Total sleep shortfall over the last seven nights.
Caffeine Cutoff Calculator
Last time to drink coffee without hurting sleep.
Stress Level Check
An informal 8-question check of recent stress.
PHQ-9 Depression Screening
The standard nine-question depression screening tool.
GAD-7 Anxiety Screening
The standard seven-question anxiety screening tool.
Burnout Check
An informal six-question check for work burnout.
Chronotype Calculator
Are you a morning lark or night owl? Uses mid-sleep time.
Nap Planner
Best time and length for a nap that will not wreck tonight’s sleep.
Related guides
Sleep & Mental Wellbeing
Sleep Cycles and How to Wake Up Refreshed
Why timing your alarm around 90-minute cycles can help.
Sleep & Mental WellbeingHow Much Sleep Do Adults Need?
Seven to nine hours for most adults, and the cost of shortchanging it.
Sleep & Mental WellbeingCaffeine and Sleep: When to Stop
Caffeine lingers in the body longer than most people think.