According to Traditional Chinese Medicine, chronic sleep disorders are usually caused by a Yin-Yang imbalance resulting from disruption to the flow of energy in your body. This energy is called Qi and it is believed to be everywhere on Earth. When you’re in good physical condition, Qi is flowing freely through your body, but if you have health problems, there’s probably a Qi blockage in a certain internal organ that may wake you up during the night.
Vitamin D is normally provided in two different forms: Vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol). Vitamin D2 is found primarily in mushrooms or plant foods. Vitamin D3 is the type synthesized from ultraviolet rays and found in egg yolks or oily fish.