New York Times . And many commenters on TikTok noted that using hot lettuce water as a sleep remedy is a tradition in Mexican culture, among others.
OK, but does lettuce water help you sleep? There is no scientific evidence that says it has any impact. That doesn't mean lettuce water won't make you doze off—it just means there aren't studies on its effect on humans.
The scant studies that focus on latucin and lactucpircrin test on mice and use lettuce extract or lettuce seeds, not whole lettuce, boiled or otherwise.
But think of it this way—we all understand that a lavender or rose essential oil is much more concentrated than a few crushed petals.
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