Testing for this guide was partially overseen by Rachel Rothman, chief technologist and director of engineering in the GH Institute. The Good Housekeeping Institute provides expert reviews and advice on all products designed to boost overall wellness, including light therapy lamps. These efforts can help regulate our circadian rhythm, influencing how easily we wake in the morning and how fast we fall asleep at night. Light therapy, then, is often based on reconfiguring lighting conditions in your home or office, and with the guidance of a healthcare provider over time, the introduction of supercharged lamps and therapy boxes that mimic natural outdoor light.

Some may feel less energized or have a hard time focusing without access to sunshine, especially if their sleep routine is being affected. 'We tend to think that because we can see clearly in a space, we're getting enough light for the biological clock, and in general, we're not.' 'Light is just like diet and exercise it's something we need for optimal health,' Figueriro explains. Mariana Figueiro, Ph.D., an architecture professor and director of the Rensselaer Polytechnic Institute's Lighting Research Center, tells Good Housekeeping that a lack of exposure to sunlight can produce varying effects on people in all seasons (even though SAD primarily affects people in the winter). Put simply, SAD often presents a pattern of depression-like symptoms that hinge on changing seasons, a clinical term to largely describe 'winter blues' that may require more targeted treatment. We've marked products that don't meet this specific threshold (which you'll learn about in the FAQ section), but these smaller gadgets may be a great way to experiment with added lighting in your space. Chief Technologist and Director of Engineering Rachel Rothman and GH health editors worked together to recommend the following products to ensure they met a current 10,000 lux threshold for effective BLT goals.

Experts often extend lighting recommendations as part of clinical treatment for SAD, including a majority of these best light therapy lamps tested in the Good Housekeeping Institute. If you grapple with the effects of spending increased time indoors, in front of screens during work hours and away from the natural light that's meant to guide our routines, you may want to consider light therapy. But more people are increasingly becoming interested in light therapy to combat the effect that blue light and electronic glare have on sleep routines on dark winter days, too. To experts - by gravitating towards a sunny window to feel more alert, or heading outside if you're feeling unmotivated or desolate.

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