How to Get Better Sleep Tonight: What the Evidence Supports
The changes that help most tonight are free: alcohol, caffeine timing, evening light and a warm shower. What the evidence says, and where supplements fit.

The changes that help most tonight are free: alcohol, caffeine timing, evening light and a warm shower. What the evidence says, and where supplements fit.

Magnesium L-threonate raises brain magnesium in rats; in people, three small trials found modest test-score gains. Dose, label tips and cautions.