Good vibes need a body clock on song

From Swinburne Magazine, September 2008:
Underneath the normal disorder of everyday lives there is a steady, strong and immutable beat that never changes. It is the pulse to which every living thing on the planet sets its rhythm of life, and it has been there since the very creation of our planet – the rising and setting of the sun.
The biological clocks of humans, animals and even plants are intricately linked with day and night. But occasionally our body clocks fall out of sync, and research shows this can have potentially serious psychological consequences.
Swinburne University of Technology researcher Dr Greg Murray has keenly studied the body clock or, in technical terms, the circadian system, and found its rhythms can have profound effects on human mood. Read more.