Vitamin D

Vitamin D Sleep Quality and Brain Health: New Science and Connections You Should Know

by Mike Mutzel


A large body of research suggests vitamin D impacts sleep quality and sleep duration as well as neurotransmitter levels in the brain. Here's an overview of the science–which is timely if you live in norther latitudes.



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Episode Time Stamps:

1:37 Vitamin D and Sleep
2:07 Dr. Stasha Gominak, MD Vitamin D and Sleep Podcast
2:16 Vitamin D and Gut Health
2:31 Vitamin D Metabolism Basics
4:56 Factors that impact vitamin D levels
5:54 Optimal Vitamin D levels
6:42 Classical VS Non-Classical pathways linked with Vitamin D
8:05 Vitamin D and sleep details
8:31 Vitamini D and sleep disordered breathing
9:05 Vitamin and sleep details
10:16 Vitamin D and Circadian Rhythms
11:00 Dosing Vitamin D at night
12:38 Vitamin D and Brain Development
13:45 Vitamin D is very important for children
14:57 Big picture re: Vitamin D and sleep
15:47 Vitamin D Blood spot test
16:13 Optimal Vitamin D levels this winter
16:50 Dosing Vitamin D prior to bed
17:52 Vitamin K and Vitamin D


References Cited:

Ultraviolet Light in Human Health, Diseases and Environment. (2017). doi:10.1007/978-3-319-56017-5.

Aguilar-Shea, A. L. Vitamin D, the natural way. Clin Nutrition Espen 41, 10–12 (2020).

Kimlin, M. G. Geographic location and vitamin D synthesis. Mol Aspects Med 29, 453–461 (2008).

Muscogiuri, G. et al. The lullaby of the sun: the role of vitamin D in sleep disturbance. Sleep Med 54, 262–265 (2018).

Charoenngam, N., Shirvani, A., Kalajian, T. A., Song, A. & Holick, M. F. The Effect of Various Doses of Oral Vitamin D3 Supplementation on Gut Microbiota in Healthy Adults: A Randomized, Double-blinded, Dose-response Study. Anticancer Res 40, 551–556 (2020).


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