
Compare the efficiency of naps versus night sleep and analyze productivity impact
Adult recommendation: 7-9 hours
Actual sleep time at night
Planned nap length
This calculator is for informational purposes only and cannot replace medical advice. If you have serious sleep problems, please consult a healthcare professional.

Good Night Lock helps you sleep better by automatically locking distracting apps during bedtime.
Download AppPerfect bedtime based on sleep cycles
When to stop coffee for better sleep
Measure your sleep quality
Create your evening routine
Beat jet lag when traveling
Perfect nap duration timer
When to stop using screens
Track your sleep deficit
Assess apnea risk
Ideal sleep temperature
Optimal bedtime for your child