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Editorial cover image for SOLRA article: Red Light Therapy and Sleep: The Surprising Connection to Circadian Rhythm
The Science

Red Light Therapy and Sleep: The Surprising Connection to Circadian Rhythm

How light wavelengths influence the circadian system, what research suggests about red light and sleep quality, why timing matters more than people realize, and how to think about red light therapy...

The ScienceEditorial cover image for SOLRA article: The Science of Photobiomodulation: How Red Light Affects Your Mitochondria

The Science of Photobiomodulation: How Red Light Affects Your Mitochondria

A detailed look at the cellular mechanism behind red light therapy - how specific wavelengths interact with mitochondrial enzymes, what happens at the ATP and signaling level, and why this matters ...

Buying GuidesEditorial cover image for SOLRA article: Red Light Therapy vs Infrared Sauna: Which One Should You Choose?

Red Light Therapy vs Infrared Sauna: Which One Should You Choose?

A side-by-side comparison of red light therapy and infrared sauna - how each works, what the research supports, key differences in mechanism and use case, and how to decide which fits your goals.

Buying GuidesEditorial cover image for SOLRA article: Red Light Therapy Panel Size Guide: Which Size Do You Actually Need?

Red Light Therapy Panel Size Guide: Which Size Do You Actually Need?

Mini, mid, or full-body red light therapy panel? Compare panel sizes by treatment area, session time, price, and use case to find the right size for your goals.

How to UseEditorial cover image for SOLRA article: Red Light Therapy Distance: How Close Should You Be to the Panel?

Red Light Therapy Distance: How Close Should You Be to the Panel?

How close should you sit to a red light therapy panel? The science of distance vs intensity, optimal range for skin and body, and how to avoid burns or under-dosing.

Buying GuidesEditorial cover image for SOLRA article: How Much Does Red Light Therapy Cost? Home vs Clinic in 2026

How Much Does Red Light Therapy Cost? Home vs Clinic in 2026

What does red light therapy actually cost in 2026? Full breakdown of clinic session prices, home device tiers, hidden costs, and which option pays off based on your usage.