Relief Factor Sleep Reviews: A Deep Dive Into This Sleeping Aid

Relief Factor Sleep Supplement is a sleep aid formula that contains natural ingredients to help you calm down, relax, and fall asleep faster.

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6 sources

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[1] Top 4 reasons why you're not sleeping through the night. (2022, January 19). Harvard Health. https://www.health.harvard.edu/staying-healthy/top-4-reasons-why-youre-not-sleeping-through-the-night

[2] Your sleep/Wake cycle. (n.d.). NHLBI, NIH. https://www.nhlbi.nih.gov/health/sleep/sleep-wake-cycle

[3] The neurotransmitters of sleep. (n.d.). PubMed Central (PMC). https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8761080/#

[4] Hidese S, Ogawa S, Ota M, Ishida I, Yasukawa Z, Ozeki M, Kunugi H. Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial. Nutrients. 2019 Oct 3;11(10):2362. doi: 10.3390/nu11102362. PMID: 31623400; PMCID: PMC6836118.

[5] Melatonin: What you need to know. (n.d.). NCCIH. https://www.nccih.nih.gov/health/melatonin-what-you-need-to-know

[6] Abboud M. Vitamin D Supplementation and Sleep: A Systematic Review and Meta-Analysis of Intervention Studies. Nutrients. 2022 Mar 3;14(5):1076. doi: 10.3390/nu14051076. PMID: 35268051; PMCID: PMC8912284.

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