Across millions of years of evolution, from ape to upright, email-answering, independent individual humans have developed an internal clock of alertness and exhaustion, driven primarily by the light ...

Sunlight plays a huge role in our energy levels and sleep quality. One study found that those who got enough morning sunlight ...

We can't talk about morning sunlight and improved sleep hygiene without first addressing our circadian rhythm. This is the body's 24-hour sleep-wake cycle. It naturally responds to light and darkness, ...

Discover 7 techniques to maintain alertness during work hours, from movement breaks to environmental adjustments that ...

For a good night of sleep, consider getting your circadian rhythm back in sync with the sun. Here’s how to do it.

Research has found that bad sleep could lead to numerous health problems, including heart disease. Here are recommendations ...

It's that time of the year when we trade an hour of sleep for an extra hour of daylight, and these simple switches will make the transition that little bit easier ...

it’s important to develop an intuition about how your circadian rhythms work to shape overall health. Below, Olivia shares five key insights from her new book, Sleep Groove: Why Your Body’s ...

it’s that I’m not alone in thinking overhead lighting is cruel and cold and simply can’t be good for the circadian rhythms. Lamps make everything feel kinder and more intimate — so when my ...

ions and the control of sleep and wakefulness. Circadian rhythms are controlled centrally by the suprachiasmatic nucleus, and are most strongly infuenced by light. Circadian misalignment ...