Insomnia

Category: Sleep & Circadian

Journal: Journal of Biophotonics (2021)

Key finding

ISI improved by 8.2 points; sleep onset latency reduced by 23 minutes; wake-after-sleep-onset reduced significantly.

Protocol

• Wavelength: 660 + 830 nm
• Irradiance: 30 mW/cm²
• Dose: 18 J/cm²
• Duration: 3×/week × 4 weeks

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