Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated August 2025
Definition
Our body's daily biological rhythms refer to regular patterns or cycles that occur within our bodies over a 24-hour period. These rhythms include sleep-wake cycles, hormone production fluctuations, and changes in body temperature.