How Often Should You Use Red Light Therapy?
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What AWA product pages list for session length and frequency by device, how frequency multiplies a per session number, and how to build a schedule...
Red Light vs Near Infrared vs Blue Light: What Is the Difference?
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Red, near infrared and blue light are three positions on one scale. See where each sits, what you can and cannot see, and how AWA...
Red Light Therapy: Eyes Open or Closed?
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Follow the manual: keep your eyes closed, wear the included goggles and never look directly at the LEDs. A plain explanation of why, and what...
Best Red Light Therapy Mask (2026): What to Check Before You Buy
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Published October 2026. Updated October 2026. Quick answer The best red light therapy mask is the one that states its wavelengths in nanometers, lists its...
Best Infrared Sauna Blanket: How to Choose (2026)
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How to choose an infrared sauna blanket: AWA HL300 vs HL500 side by side on size, materials, heat range, timer, power, cleaning and safe use...
How Deep Does Red and Near Infrared Light Go? What Lab Studies Show
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A plain summary of six lab and modeling papers on how far red and near infrared light travels in tissue, and what that does not...
What Published Studies Say About Evening Light and Sleep, Including Red Light
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A plain summary of five published papers on evening light, red light and sleep, with study sizes, mixed findings and limits.