what are the best vitamins to take at night?
["Vitamin D. The 'sunshine vitamin' is thought to influence both sleep quality and quantity, and studies have shown that Vitamin D deficiency is associated with less sleep overall and also, with more disrupted sleep. ... ", 'Melatonin. ... ', 'Iron. ... ', 'Calcium. ... ', 'Magnesium. ... ', 'Vitamin E. ... ', 'B vitamins. ... ', 'Valerian.']