This Very Short Introduction explains how organisms can 'know' the time and reveals what we now understand of the nature and operation of chronobiological proce

The earth's daily rotation affects just about every living creature. From dawn through to dusk, there are changes in light, temperature, humidity, and rainfall.

How do bees tell the time? Why do some plants open and close their flowers at the same time each day?

Winner of a British Medical Association Book Award A Brain Pickings Best Science Book of the Year Early birds and night owls are born, not made. Sleep patterns

"This Very Short Introduction addresses the biological and psychological aspects of sleep, providing a basic understanding of what sleep is and how it is measur