
Circadian Rhythm: What It Is, How It Works & What Affects It
Mar 15, 2024 · Your circadian rhythm is the pattern your body follows based on a 24-hour day — it’s the name given to your body’s internal clock. This rhythm tells your body when to sleep and …
Circadian rhythm - Wikipedia
A circadian rhythm (/ sərˈkeɪdiən /), or circadian cycle, is a natural oscillation that repeats roughly every 24 hours. Circadian rhythms can refer to any process that originates within an organism …
Circadian rhythms: How it works, what affects it, and more
Jan 11, 2021 · Circadian rhythms are cycles in the body that occur roughly across 24 hours. In humans, circadian rhythms cause physical and mental changes in the body, including feelings …
Understanding Circadian Rhythms - National Sleep Foundation
Dec 3, 2020 · What is a Circadian Rhythm? How do circadian rhythms work, and how do they affect sleep? Circadian rhythms are driven by your body’s internal master clock—it controls …
What Is Circadian Rhythm? - Sleep Foundation
Jun 26, 2025 · Your circadian rhythm is your body’s internal clock, helping regulate sleep, wakefulness, hormone release, and other biological processes over a 24-hour cycle.
Sleep & Circadian Basics - Sleephealth.org
Learn sleep and circadian basics and get familiar with the master clock that controls sleep and circadian rhythms throughout the day.
Circadian Rhythm: What It Is, How it Works, and More - Healthline
Jan 22, 2025 · Your circadian rhythm is your body’s internal clock. Light, sleep patterns, hormones, meals, and temperature can all influence your circadian rhythm, which in turn can …
Circadian Rhythm: What It Is and How It Works - Health
May 26, 2023 · A circadian rhythm is a natural process that regulates your body's sleep and wake patterns, among other key functions. It's often described as an internal clock that operates on …
Circadian Rhythms: A Straightforward Guide
6 days ago · ‘Circadian’ is a portmanteau of ‘circa’ and ‘diem’, meaning ‘around a day’ in Latin. Circadian rhythms are complemented by ultradian rhythms (shorter rhythms that occur multiple …
Circadian Rhythm: What Is It, How It Works, Why It’s Important
Mar 4, 2025 · What is a circadian rhythm? A circadian rhythm is a natural process that regulates physiological and behavioral changes. The term circadian comes from the Latin phrase “circa …