Nap Calculator — Calculate Your Perfect Nap Time

Nap Calculator

Calculate your optimal nap duration based on sleep cycles, current energy level, and wake-up time. Understand how different nap lengths affect your alertness and productivity.

Step 1: Nap Details

40%
80%

Understanding Nap Types

Power naps boost alertness, short naps improve memory, medium naps aid creativity, and long naps (full sleep cycle) provide full restorative benefits without grogginess.

Step 2: Sleep Factors

6/10
100%

About Recovery Rate

Recovery rate accounts for individual differences in how quickly you recover energy during sleep. Factors include age, health, caffeine intake, and regular sleep patterns.

Nap Calculation Results

Summary
Nap Comparison
Sleep Analysis

Recommended Nap Duration

25 min
Best to start by: 2:35 PM
Energy Gain
+40%
Nap Type
Short Nap
Recovery Rate
100%
Wake Up At
3:00 PM

Nap Type Comparison

Nap Type Duration Energy Gain Best For Avoid If

Sleep Cycle Analysis

Nap Energy Formula

Energy Gain = (Target Energy – Current Energy) × Recovery Rate × Time of Day Factor

The optimal nap duration is calculated based on sleep cycles, personal recovery rate, and circadian rhythm. Waking between sleep cycles prevents grogginess and maximizes alertness benefits.

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