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.
Factors contributing to poor sleep include vitamin and mineral deficiencies. Magnesium deficiency can cause insomnia; lack of potassium can lead to difficulty staying asleep; and vitamin D deficiency has been linked to excessive daytime sleepiness.
Melatonin is a natural, non-addicting hormone supplement that assists with sleep. Millions of people in the United States take it in order to get a good nightâs sleep after having difficulties falling asleep or staying asleep. However, beware! Melatonin may be harmful to your sleep if taken inappropriately.