Vitamin D Supplementation and Improvement in Insomnia Symptoms Among Malaysian Women With Vitamin D Deficiency: Protocol for a Randomized Controlled Trial
JMIR Res Protoc. 2026 Oct 19;15:e63804. doi: 10.2196/63804.ABSTRACTBACKGROUND: Insomnia is a prevalent sleep disorder associated with adverse physical, psychological, and functional outcomes. Emerging evidence suggests...
