Nap Duration Calculator

Nap Power Calculator

A well-timed nap boosts performance. A poorly timed one leaves you groggy. Find your perfect nap window.

Recommendation

Power Nap
Perfect choice! A 10-20 minute nap boosts alertness and energy without entering deep sleep. You'll wake up refreshed immediately.

The Art of the Nappuccino

Napping is a double-edged sword. Done right, it boosts cognitive performance by 34%. Done wrong, it leaves you with "sleep drunkenness" that ruins your productivity for hours. The secret lies in timing.

The Danger Zone: 30 to 60 Minutes

The biggest mistake nappers make is oversleeping. Once you cross the 30-minute mark, your brain begins the descent into Slow Wave Sleep (Deep Sleep). Waking up from this state is chemically traumatic for your brain.

The Rule of Thumb:
10-20 Mins: Power Nap (Alertness Boost)
90 Mins: Full Cycle (Creativity/Memory)
60 Mins: The Grogginess Trap (Avoid!)

Case Study: The "NASA Nap"

NASA studied naps in long-haul pilots. They found that a 26-minute nap improved performance by 34% and alertness by 54%.

Why 26 minutes? It pushes the limit of Stage 2 sleep without entering Stage 3. This "Nasa Nap" is the gold standard for anyone needing a mid-day reboot without the hangover.

Napping FAQ

When is the best time to nap?

Between 1:00 PM and 3:00 PM. This aligns with the "post-lunch dip" in your circadian rhythm. Napping after 4:00 PM can interfere with your ability to fall asleep at night.

Does napping replace night sleep?

No. Naps are a supplement, not a substitute. They can reduce sleep debt temporarily, but they generally lack the extended REM cycles needed for emotional regulation.