Calculateur de Rythme Circadien Gratuit
Estimez vos heures optimales de sommeil, de réveil et de performance selon votre chronotype.
Optimal Wake Time
7.0 hour
Optimal Wake Time vs Natural Wake Time (24h)
Formule
## Circadian Rhythm Timing Your circadian rhythm is an internal 24-hour clock that regulates sleep, alertness, and hormone release. ### Key Time Points (Relative to Wake) | Event | Hours After Wake | |---|---| | Peak alertness | +2.5 hours | | Best coordination | +5 hours | | Afternoon dip | +7 hours | | Melatonin onset | +14 hours | | Optimal bedtime | +16 hours | ### Chronotypes - **Early birds** naturally wake 1-2 hours earlier - **Night owls** naturally wake 1-2 hours later - Most people are intermediate
Exemple Résolu
An intermediate chronotype who naturally wakes at 7 AM.
- 01Optimal wake = 7:00 AM
- 02Peak alertness = 9:30 AM
- 03Afternoon dip = 2:00 PM
- 04Melatonin onset = 9:00 PM
- 05Optimal bedtime = 11:00 PM
Questions Fréquentes
What is a chronotype?
Your chronotype is your biological tendency toward being a morning person (lark) or evening person (owl). It is largely genetic and shifts with age.
When is the best time to exercise?
Body temperature peaks in late afternoon (about 10 hours after waking), making it ideal for physical performance. Morning exercise can help reset circadian rhythm.
Can I change my chronotype?
You cannot fully change your genetic chronotype, but you can shift your schedule with consistent light exposure, meal timing, and sleep hygiene.
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