Some research shows yellow light is more harmful than blue to a good night's rest. Here's what experts say. ... Certainly it stands to reason that before one goes to sleep, ...

This 2023 research notes that red light does affect sleep quality and alertness as a person is preparing for and trying to fall asleep. That research specifically involved people who experience ...

Dr. Alexander Solomon, a neuro-ophthalmologist at Providence Saint John’s Health Center, noted that the study’s light exposures were tightly calibrated and may not reflect real-world conditions. In ...

“Using a phone or having background noise from the TV helps quiet the mind, especially if your thoughts tend to spiral when ...

Light exposure before sleep can make it difficult for you to fall asleep. Tap to read the benefits of sleeping in a dark room. It can disturb your sleep-wake cycle.

Blue light -- the kind from your smartphone, tablet, TV, and even energy-efficient light bulbs -- can lead to a range of health issues. Here are a few tips to ward off blue light’s effects.