Chronotype Test – Are You a Morning or Evening Person
The Horne and Ostberg test helps you determine your chronotype — whether you’re more of a morning type, neutral, or an evening type.
Additionally, we provide a sleep calculator to help you plan your ideal bedtime, as well as the Hamilton Anxiety Test to help you assess your stress level.
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Horne and Ostberg Chronotype Test
Question 1 of 19
Your total score is:
Référence
Horne J.A., Ostberg O. – A self-assessment questionnaire to determine morningness-eveningness in
human circadien rhythms. Int. J. Chronobiol., 1976, 4, 97-110.
Why Your Chronotype Matters
Your chronotype is your personal biological clock. It determines your peak moments of energy, focus, and rest throughout the day. Understanding your chronotype is the key to optimizing your daily life—whether it’s to sleep better, work more efficiently, or improve your overall well-being.
Knowing your chronotype is important for:
- Increased productivity: By aligning your important tasks with your high-energy periods, you maximize your efficiency.
- Better sleep: Adjusting your sleep routine to your chronotype promotes more restorative rest.
- Optimized well-being: Living in harmony with your natural rhythm reduces stress and improves your mood.
- Personalized habits: Your chronotype helps you create tailored routines that suit your lifestyle.

Chronotype vs. Circadian Rhythm: The Difference
The circadian rhythm is the internal biological clock that orchestrates your bodily functions on a roughly 24-hour cycle. It regulates essential processes such as sleep, wakefulness, body temperature, and hormone production, relying on external cues like daylight. This universal mechanism ensures that your body stays synchronized with the environment, optimizing your health and daily energy levels.
The chronotype, on the other hand, is the personal expression of this circadian rhythm, reflecting your natural preferences for periods of activity and rest. Your chronotype determines your energy peaks and ideal schedules. Knowing it allows you to adapt your routines to maximize productivity, improve sleep, and live in harmony with your biological rhythm.
- Circadian rhythm: A universal 24-hour biological cycle influenced by light and genetics.
Chronotype: An individual preference for activity and rest periods (morning, evening, etc.).
Why it matters: Aligning your daily life with your chronotype boosts energy and well-being.Rythme circadien : Cycle biologique universel de 24 heures, influencé par la lumière et les gènes.


