That bright, blue-rich light signals to your brain that it’s definitively daytime, helping to anchor your internal clock and set up a proper sleep-wake cycle.

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 ...

How Blue Light Hurts Sleep. Your eyes aren’t good at blocking blue light. So almost all of it passes straight through to the back of your retina, which helps your brain translate light into images.

bright screen light — across 11 experimental studies, people who used a bright screen emitting blue light before bedtime fell asleep an average of only 2.7 minutes later.

Called Helia, the new line of bulbs from Soraa are LED lights that aim to recreate the feel of natural sunlight.The bulbs, which rely on sensors rather than Wi-Fi, emit bright blue light in the ...

bright screen light – across 11 experimental studies, people who used a bright screen emitting blue light before bedtime fell asleep an average of only 2.7 minutes later. In some studies, people ...

There are many factors that can affect sleep, and bright, blue screen light likely isn’t one of them. The take-home message is to understand your own sleep needs and how technology affects you.

"But under bright, blue-heavy light such as that seen in casino machines, the $100 loss didn't appear to feel as bad, so people were more willing to take the risk." ...