Magnesium or Melatonin: Which One Actually Helps You Sleep Better?

Magnesium and melatonin are often placed side by side on pharmacy shelves, but they do not work the same way. One is a mineral involved in muscle and nerve function, while the other is a hormone that helps signal the body’s sleep-wake timing.

That difference matters because the “better” choice depends on the sleep problem. Melatonin may be more useful for short-term schedule issues like jet lag or delayed sleep timing, while magnesium may be more relevant when tension, relaxation, or low intake is part of the problem. Neither should be treated as a magic fix for chronic insomnia.