Does magnesium actually help you sleep?

Magnesium is an essential mineral, and correcting a true deficiency clearly matters. The debate is whether supplemental magnesium improves sleep in people who are not deficient, and which form, if any, deserves the hype.

The consensus meter

90% agree10% disagree

Both tracked experts endorse magnesium supplementation; the nuance is which form and dose, not whether it works.

2 supportive0 skeptical0 nuanced

What the experts say

Quoted directly, linked to the source. We never publish a position we have not verified.

Andrew Huberman
Neuroscientist, Stanford School of Medicine; host of the Huberman Lab podcast
supportive
“For many people, however, taking 145 milligrams of magnesium threonate can be very beneficial.”
On Magnesium threonate for sleep, as part of his sleep supplement stack. Source, 2026-06-11
Mark Hyman
MD, functional medicine physician and author
supportive
“It is an antidote to stress, the most powerful relaxation mineral available, and it can help improve your sleep.”
On Magnesium for stress, relaxation, and sleep. Source, 2010-05-20

Related supplements

Magnesium

Essential mineral, noisy marketing. Here is what the trials say.

B- evidence

Last updated 2026-10-15. Educational information, not medical advice.