a native hydrous magnesium silicate, sometimes with a small amount of aluminum silicate; used as a dusting powder. The inhalation of talc is associated with a wide variety of respiratory disorders.
Thankfully there are certain supplements you can take which can help you fall asleep and stay asleep: 1. Vitamin D -- A deficiency in vitamin D affects your body's ability to regulate circadian rhythms (your body's clock). With your body's clock not running correctly, it's unable to signal the sleep hormones involved in making you fall asleep and wake up.
The only proven benefit of vitamin D is its role in helping calcium build strong bones. But that's far from the whole story. Vitamin D helps regulate the immune system and the neuromuscular system. Vitamin D also plays major roles in the life cycle of human cells. Vitamin D is so important that your body makes it by itself -- but only after skin exposure to sufficient sunlight. This is a problem for people in northern climates.