A new study suggests that blue light such as from phone screens may not be as disruptive to sleep as previously thought. The study looked at how people reacted to different types of light. They found ...

Sleep is one of the pillars of optimal health. However, people are sleeping much less than they did in the past. Sleep quality has also declined. The use of artificial lighting and electronics at ...

Even if you know that looking at a phone, tablet, or computer screen at night is bad for your sleep, it’s hard to stop. That’s one reason there’s been a growing interest in glasses or apps that can ...