Circadian Phase Shifting

Category: Sleep & Circadian

Journal: Journal of Biological Rhythms (2016)

Key finding

Evening red light exposure caused measurable phase delay in circadian rhythm without suppressing melatonin levels.

Protocol

• Wavelength: 620 nm
• Irradiance: 10 mW/cm²
• Dose: 5 J/cm²
• Duration: Evening vs morning sessions

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