More from the journal
Ingredients
The magnesium question.
Half of adults are deficient in it. It's been called the most underrated mineral in sleep science. But not all magnesium is created equal — and the form on the back of the bottle matters more than the dose on the front.
Science
Screens, dopamine, and the bedroom.
Blue light gets all the blame. The real story is more uncomfortable — and has less to do with light wavelengths than with the engineered loops keeping you engaged at 1am.