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.
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.
GABA Supplements for Sleep: What the Evidence Shows
GABA is the brain's main inhibitory neurotransmitter. GABA supplements are sold as sleep aids. We review whether oral GABA crosses the blood-brain barrier and what trials exist.
Blue Light Glasses for Sleep: What the Evidence Shows
Blue light blocking glasses are marketed as a sleep aid. We review what the trials actually show about their effect on sleep quality.
Ashwagandha for Sleep: What the Evidence Shows
Ashwagandha is marketed for stress, anxiety, and sleep. We review the RCTs and whether the sleep evidence holds up independently of the anxiety effect.
Sleep Trackers: Do They Actually Help You Sleep?
Consumer sleep trackers are a billion-dollar market. We review whether tracking your sleep actually leads to sleeping better.