Vitamin D Deficiency and Daytime Sleepiness: Skin Pigmentation Is a Complicated Factor
Category: WELLNESS
We've seen evidence that vitamin D deficiency is associated with sleep problems, particularly with daytime sleepiness. A new study examined the link between daytime sleepiness and vitamin D, and also considered one of the major risk factors of vitamin D deficiency: skin pigmentation.
By Dr. Michael J. Breus, Contributor
Clinical Psychologist; Board Certified Sleep Specialist, 2013-01-30