Sleep & Recovery
Browse research-minded guides to sleep, supplements, nighttime waking, and recovery.
Magnesium glycinate and L-threonate are the forms most supported by research for sleep. Here's how they compare, what dose the trials used, and which products meet the standard.
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Both forms are marketed for sleep and brain health. They work through different mechanisms and suit different situations. Here's how to decide which one applies to you.
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There are at least seven common forms of magnesium, and they don't all do the same thing. Here's how to match the form to your actual goal.
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Most melatonin doses sold in the US are 5–10x higher than what research shows is effective. Here's what the science actually says.
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Waking in the early hours and lying awake for an hour or two is one of the most common sleep complaints. Here's what's actually happening and what actually helps.
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