Melanopsin, a blue photoreceptor in retinal cells, receives blue light each morning and transmits the signal via the nerves of the eye to the SCN, the circadian rhythm central pacemaker. The photo ...

Melanopsin, a blue photoreceptor in retinal cells, receives blue light each morning and transmits the signal via the nerves of the eye to the SCN, the circadian rhythm central pacemaker. The photo ...

If your mental health has been declining, your sleep-wake cycle may be to blame, according to a new review of literature. Taylor Leamey wrote about all things wellness for CNET, specializing in mental ...

Delayed sleep phase syndrome (DSPS) is a most prevalent circadian rhythm sleep disorder and is marked by a delay in the timing of sleep episode compared to desired or necessary sleeping and wakeup ...

Share on Pinterest Researchers say different cancer treatments may be more effective at certain times of day. Povozniuk/Getty Images Circadian rhythms are our internal body clocks that regulate our ...

Advanced sleep phase disorder is a rare condition that causes your natural circadian rhythm, or sleep-wake cycle, to occur earlier than typical. As humans, our sleep-wake cycle— also known as our ...

Add Yahoo as a preferred source to see more of our stories on Google. How often do you check to see what time it is? Clocks—on our phones, watches and throughout the house—help guide our routines.

Circadian rhythm sleep-wake disorders are a group of conditions in which the timing of an individual’s sleep is disrupted. Circadian rhythms are often referred to as the body’s internal clock or our ...

Are you a night owl or an early morning lark? If your preference is for getting up bright and early and getting started as soon as your feet hit the floor, then you would be considered a lark. Owls, ...