Dark room sleep environment
Also known as: sleep environment, blackout bedroom
Complete darkness in the bedroom prevents light-induced cortisol and melatonin disruption during sleep.
How to do it
- 1Install blackout curtains or blinds
- 2Cover all LED lights (tape over standby lights)
- 3Use an eye mask if blackout isn't possible
- 4No phone/screen light in bedroom
Safety notes
Studies on Dark room sleep environment (54)
Exposure to room light before bedtime suppresses melatonin onset and shortens melatonin duration in humans
Gooley JJ, et al. (2011) · J Clin Endocrinol Metab · n=116
Alpha Lipoic Acid Supplementation and Iron Homeostasis: A Comprehensive Systematic Review and Meta-Analysis of Randomized Controlled Clinical Trials.
Sharifi-Zahabi E (2024) · International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition
The association between iron supplementation during pregnancy and the risk of childhood leukemia: a meta-analysis of case-control studies.
Dabir M (2025) · The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians
Health domains
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