BIORHYTHMS
- BIORHYTHM [n]
- A recurring cycle in the physiology or functioning of an organism, such as the daily cycle of sleeping and waking
- A cyclic pattern of physical, emotional, or mental activity said to occur in the life of a person
- BIORHYTHM, a periodic change in the behaviour or physiology of many animals and plants (eg hibernation and migration) mediated by hormones which are in turn influenced by changes in day-length [n]