What is another word for circadian clock?
Pronunciation: [sɜːkˈe͡ɪdi͡ən klˈɒk] (IPA) 
The circadian clock, also known as the biological clock, is responsible for regulating the sleep-wake cycle in animals, including humans. Synonyms for this term include internal body clock, biological rhythm, and daily cycle. The internal body clock refers to the mechanism that drives the circadian rhythm, regulating the timing of physiological processes such as hormone secretion, body temperature, and metabolism. Biological rhythm is a broader term that encompasses other types of biological cycles, such as the menstrual cycle or seasonal cycles in animals. The daily cycle alludes to the 24-hour cycle during which the biological clock operates. Regardless of the term used, understanding the circadian clock is essential for maintaining a healthy sleep pattern and overall wellbeing.
