References & Endnotes
Key sources behind this guide — linked directly to the source where available
Berson DM, Dunn FA, Takao M. "Phototransduction by Retinal Ganglion Cells That Set the Circadian Clock." Science, 2002;295(5557):1070-1073. View study ↗ ↩ back to text
Czeisler CA, Duffy JF, Shanahan TL, et al. "Stability, Precision, and Near-24-Hour Period of the Human Circadian Pacemaker." Science, 1999;284(5423):2177-2181. View study ↗ ↩ back to text
Wright KP, McHill AW, Birks BR, Griffin BR, Rusterholz T, Chinoy ED. "Entrainment of the Human Circadian Clock to the Natural Light-Dark Cycle." Current Biology, 2013;23(16):1554-1558. ↩ back to text
Gooley JJ, Chamberlain K, Smith KA, et al. "Exposure to Room Light Before Bedtime Suppresses Melatonin Onset and Shortens Melatonin Duration in Humans." Journal of Clinical Endocrinology & Metabolism, 2011;96(3):E463-E472. View study ↗ ↩ back to text
Singh S, Downie LE, Anderson DF, et al. "Blue-Light Filtering Spectacle Lenses for Visual Performance, Sleep, and Macular Health in Adults." Cochrane Database of Systematic Reviews, 2023;8:CD013244. View study ↗ ↩ back to text
Golden RN, Gaynes BN, Ekstrom RD, et al. "The Efficacy of Light Therapy in the Treatment of Mood Disorders: A Review and Meta-Analysis of the Evidence." American Journal of Psychiatry, 2005;162(4):656-662. ↩ back to text
Burgess HJ, Sharkey KM, Eastman CI. "Bright Light, Dark and Melatonin Can Promote Circadian Adaptation in Night Shift Workers." Sleep Medicine Reviews, 2002;6(5):407-420. View study ↗ ↩ back to text
International Agency for Research on Cancer. "Solar and Ultraviolet Radiation." IARC Monographs on the Evaluation of Carcinogenic Risks to Humans, Volume 100D, 2012. ↩ back to text
Holick MF. "Vitamin D Deficiency." New England Journal of Medicine, 2007;357(3):266-281. ↩ back to text