Ingredients
Does ashwagandha make you sleepy?
Drowsiness as a side effect versus better sleep at night: what the trials actually measured, and how people felt the next morning.
journal · ingredients
Ashwagandha, L-theanine and the trial data behind them
What the human studies gave people, for how long, what changed and what did not. Doses, side effects and interactions included.
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Ingredients
When to take ashwagandha: what the trials actually did
Morning or night? What the studies recorded about dose, food and duration, and the timing question none of them tested.
Ingredients
Ashwagandha interactions: who should check before taking it
Medicines, thyroid, liver, pregnancy, alcohol and the countries that restricted it: the safety checklist, with sources.
Ingredients
L-theanine: what the tea amino acid has, and hasn't, been shown to do
Sleep, focus with caffeine, stress and how long it lasts: the human studies on the tea amino acid, with their funding and limits.
Ingredients
L-theanine for sleep: small trials, modest results
A 2025 review of the trials, one closely read crossover study, and where L-theanine fits next to the sleep basics.
Ingredients
L-theanine and caffeine: what the lab studies found
Two lab studies on the tea pairing: doses compared with a real cup, the attention results, and the question about sleep they never asked.
Ingredients
Glycine for sleep: a lesser-known amino acid, and its small studies
The 3-gram studies behind glycine as a sleep aid, how small they were, and who ran them.
Ingredients
Does magnesium glycinate make you sleepy?
What the magnesium sleep trials found, which forms they used, and the daily limit for supplements.
- every line is sourcedEach factual sentence links to a paper or a public health body. The full list sits under every piece.
- the limits stay inTwelve people, one dose, four weeks: when a study is small or narrow, the text says so.
- nothing to sell youNo product, price or pitch inside an article. Education first, and a clinician for your own health.
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