Our smartphones, computer screens, televisions, the fluorescent lights in the office, and the sun all emit blue light. And experts want you to know that yes, exposure to blue light does affect sleep.

Sleep scientists are changing how they think about screen use at night. By Caroline Hopkins Legaspi Experts have long warned about the dangers of blue light before bed. When exposed via smartphones, ...

Keeping your phone next to your head while sleeping may not cause cancer, doctors say, but it can disrupt sleep through blue ...

Blue light is a high-energy light that the eyes absorb from computers, smartphones, LED lights, and fluorescent lights. The sun is the biggest source of blue light. On a sunny day, it's 100,000 times ...

Does using the phone before sleep affect mood? Learn about the effects of blue light, sleep problems due to phone use, its impact on focus, and tips to break the habit of using the phone before bed.

Blue light is a high-energy light that the eyes absorb from computers, smartphones, LED lights, and fluorescent lights. The sun is the biggest source of blue light. On a sunny day, it's 100,000 times ...