We wake up in the morning and go to bed at night — most of us, at least. When we change our clocks in spring or autumn, or go on a long flight that changes our time zone, we’re left disoriented and exhausted.
Called the circadian rhythm, scientists have some answers as to why it exists. They know, for instance, that every organ in the body contains a biological “clock” that regulates its function to the rhythm of the day. Yet there are still outstanding questions as to how and why these clocks function. For instance, why does almost every species on Earth seem to have a version of these clocks?
Read more at Northeastern Global News
Photo by Alyssa Stone
