SYSTEMATIC REVIEW · LOPRESTI ET AL.
Magnesium and sleep: the wider evidence
A review of randomised trials, with searches through 1 June 2026.
Mixed findings and limited confidence
Variation across studies prevented a single pooled result. The authors found inconsistent effects and did not support routine magnesium treatment for insomnia.
The review helps put a positive experiment in context. It does not mean every individual has the same response, or that all formulations are interchangeable.
Read the sleep evidence guideConnect the synthesis to the practical questionInspect one positive trialBisglycinate vs placebo in 2025Sources & further reading
Clinical papers, nutrition references and manufacturer labels are identified separately.