Circadian Rhythm and Its Importance in Human Life

8 Pages Posted: 24 Aug 2019 Last revised: 7 Jul 2021

See all articles by Samithamby Senthilnathan

Samithamby Senthilnathan

International Training Institute

Kanthasamy Sathiyasegar

Eastern University, Sri Lanka

Date Written: August 23, 2019


Circadian rhythm is a biological clock that is built in our brain throughout the functionality of everyone’s day and night processes within a 24-hour clock frame and it devises our body to function in a healthy way of daily routines. Thus, the circadian rhythm becomes a self-control system of human body to regulate our eating habits, activities and body functionality. In this context, our daily (24-hour) functionality should have concern over food, physical environment including lightings, exercises, work habits, sleeping and other activities concern. All in consideration and importantly, a mind clock should be set with routinised daily functionality for a healthy life.

Keywords: circadian rhythm, mind clock, human, self-control, sleeping

JEL Classification: I1, I10, I12, I14, I19

Suggested Citation

Senthilnathan, Samithamby and Sathiyasegar, Kanthasamy, Circadian Rhythm and Its Importance in Human Life (August 23, 2019). Available at SSRN: or

Samithamby Senthilnathan (Contact Author)

International Training Institute ( email )

PO Box 6322
Scratchley Road, Badili
Port Moresby, National Capital District
Papua New Guinea

Kanthasamy Sathiyasegar

Eastern University, Sri Lanka ( email )

Chenkalady, Eastern 30350
Sri Lanka

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