Moderate evidenceeffect size d = 0.55
Improves sleep quality
Sources
- A double-blind, placebo-controlled investigation of the effects of Passiflora incarnata (2011)
Passionflower for Better sleep
Passiflora incarnata · Passifloraceae
Improves sleep quality Evidence rated moderate (d = 0.55).
Want the full plant profile? See Passionflower botanical profile →
I
How it works mechanism
Subjective and PSG measures both improved in pilot trials.
II
Evidence cited sources
1 sourceIII
Dosage & preparation
IV
Safety & cautions
warning · pregnancy
caution · MAOIs
V
Other plants for Better sleep
8 alternatives
VI
Frequently asked
Is Passionflower effective for Better sleep?
Improves sleep quality Evidence is rated moderate with an effect size of d=0.55. See the Evidence section above for cited sources.
What is the recommended dose of Passionflower for Better sleep?
Typical adult dose: 250–1000 mg as Standardized capsule. See the Dosage table for all forms. Always start at the lower end.
What are the safety risks of Passionflower for Better sleep?
undefined See the Safety section for the full list of contraindications and drug interactions.
How does Passionflower compare to other plants for Better sleep?
See the alternatives section above — we list other species with documented effects on Better sleep, ranked by evidence quality.
Is this medical advice?
No. This is educational reference. Always consult a healthcare professional before using any herbal preparation, especially alongside prescription medication.
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