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Passionflower Herbal Tea Shown To Improve Sleep Quality

February 3, 2011: 03:42 AM EST
Despite a lack of clinical evidence, passionflower-based herbal tea has been used traditionally as a sedative and remedy for sleep disturbance. In this double-blind, placebo-controlled Australian study among 41 participants aged 18-35 who kept sleep diaries, researchers used polysomnography to test the effects of a passionflower tea versus a placebo tea. The researchers analyzed six sleep-diary measures, finding that sleep quality was significantly better for the passionflower tea group compared with the control. They concluded that “the consumption of a low dose of Passiflora incarnate (passionflower) in the form of tea yields short-term subjective sleep benefits for healthy adults with mild fluctuations in sleep quality.”
A. Ngan, R. Conduit, "A Double-blind, Placebo-controlled Investigation of the Effects of Passiflora incarnata (Passionflower) Herbal Tea on Subjective Sleep Quality", Phytotherapy Research, February 03, 2011, © John Wiley & Sons, Ltd.
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