Nap Calculator
Choose your nap start time and get practical wake times for 20, 30, 60, and 90 minute naps.
When each nap length can help
- 20 minutes: quick alertness reset with lower risk of grogginess.
- 30 minutes: useful when you need extra rest but are short on time.
- 60 minutes: may help learning tasks but can feel heavier on wake.
- 90 minutes: full-cycle style nap that can feel more restorative.
FAQ
Is a 20 minute nap enough?
For many people, a 20 minute nap can improve alertness without heavy grogginess.
Should I nap for 90 minutes?
A 90 minute nap can suit days when you have enough time for a fuller sleep cycle.