Light therapy is a noninvasive, nonpharmacological treatment for certain sleep disorders. When used consistently, light therapy may help reset your circadian rhythms and improve your sleep.

A SAD lamp can help alleviate symptoms of seasonal affective disorder. Learn more about SAD lamps, how to use them, features to look for, and products we recommend.

Which light box? The Mayo Clinic suggests getting a light box that is specifically for seasonal affective disorder and that emits white light and that blocks out 99% or more of the UV light.

When cold, dark winter days come around, can a SAD lamp (sometimes called a light box) really help with energy and outlook? Experts say yes, here’s why.

These Verilux light boxes meet the Mayo Clinic’s recommendations for light therapy and could help if you’re coping with seasonal depression.