klokkesykluser
Klokkesykluser, also known as circadian rhythms, are natural, internal processes that regulate the sleep-wake cycle and repeat roughly every 24 hours. These biological rhythms are present in most living things, including animals, plants, and even fungi. In humans, the master clock that controls these cycles is located in a region of the brain called the suprachiasmatic nucleus (SCN). The SCN receives light information from the eyes, which helps to synchronize the internal clock with the external environment.
The klokkesyklus influences a wide range of physiological processes beyond sleep and wakefulness. These include hormone