Many blind people have circadian rhythms that are desynchronized from each other because they are unable to detect the light that normally sets the SCN.

Question

Quizplus · Accepted Answer

The SCN (suprachiasmatic nucleus) is the area of the brain that regulates the circadian rhythm in response to light cues. Blind individuals who are unable to detect light may have a desynchronized circadian rhythm because their SCN is not receiving the necessary light cues.

Many Blind People Have Circadian Rhythms That Are Desynchronized from Each