One of Ikea ’s most popular lamps of the past several years—nicknamed the “donut lamp”—is about to get a smart, colorful ...

Light plays an important role in many aspects of our lives, from our sleep cycles to mental health. If our bodies don’t get the proper light we need, it can cause a chemical change in the brain that ...

Wavelengths of different colors can affect your body and mind in various ways. While some colors are energizing, green light may have a calming effect for some people that may help induce sleep or ...

Light therapy can boost your mood, but you need the right model. Here's what experts say about picking an effective model.

People commonly use sun lamps, also known as SAD lamps, to treat a form of depression called seasonal affective disorder (SAD). These lamps can also help a person’s body make vitamin D, which helps ...

Feeling a bit down when the days become shorter is totally normal, but if your change in mood is more pronounced, it’s possible you have seasonal affective disorder (SAD) — a mood disorder that is ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Nancy Redd Shifts in the number of daylight hours — due to changing seasons or ...