Magnesium Forms Compared: Which Type Is Best for Sleep?
Multiple forms of magnesium are sold for sleep. We compare glycinate, citrate, oxide, threonate, and bisglycinate to see what the evidence actually supports.
Sleep supplements, medications and gadgets — checked against the evidence
Evidence reviews of sleep aids: supplements, medications and gadgets graded on the actual trial data, with verdicts and honest exceptions.
Latest articles
All articles →Sleep Apps: What the Evidence Shows
Sleep apps range from guided meditations to digital CBT-I programs. We review the evidence for each category and what actually helps.
Sunrise Alarm Clocks: What the Evidence Shows
Sunrise alarm clocks simulate dawn light to make waking easier. We review the evidence for their effect on sleep quality and morning alertness.
L-Theanine for Sleep: What the Evidence Shows
L-theanine is an amino acid from tea promoted for relaxation and sleep. We review whether the evidence supports its use as a sleep aid.
Diphenhydramine for Sleep: What the Evidence Shows
Diphenhydramine is the active ingredient in most OTC sleep aids. We review the clinical evidence, tolerance development, and what guidelines say about its use.
Chamomile Tea for Sleep: What the Evidence Shows
Chamomile tea is a traditional sleep remedy used worldwide. We review the clinical trials and what the evidence actually supports.