Melatonin

Millions take melatonin nightly — but is a break actually necessary? Here's what the research says about tolerance, dependency, and how to reset your sleep.

Wondering what happens if you take melatonin every night? Evidence-based answers on safety, tolerance, dependence, and how to use it correctly.

Is melatonin 100% safe? We examine the clinical evidence on side effects, long-term use, drug interactions, and quality risks — with what the research actually says.

A 2025 AHA study linked long-term melatonin to heart failure — but the science tells a more complicated story. Here's an honest breakdown of the evidence.