The type of light you’re exposed to in the evening can dramatically affect melatonin, the hormone responsible for signaling ...

It’s easy to ignore what happens after the lights go out, but the body doesn’t. While the world sleeps, a small hormone called melatonin begins its work, repairing cells, balancing metabolism, and ...

Get this: When I woke up this morning, I actually wanted to get out of bed. Instead of cocooning myself in blankets and sleepily scrolling social media for an hour, I sprang up like all the peppy ...

For anyone who cares about their so-called "sleep hygiene" — essentially good, deep, restful sleep — it has become conventional wisdom that blue light will wreck it. Blue light is often the wavelength ...

Blue light has acquired a dubious reputation in recent years, frequently blamed for everything from disrupted sleep patterns to digital eye strain. This high-energy light, emitted abundantly by our ...