Research on ingredients listed
Passionflower:
https://onlinelibrary.wiley.com/doi/abs/10.1046/j.1365-2710.2001.00367.x
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5139955/
https://www.karger.com/Article/Abstract/464342
https://www.ffhdj.com/index.php/ffhd/article/view/593
https://www.indianjournals.com/ijor.aspx?target=ijor:rjpt&volume=10&issue=11&article=078
https://www.sid.ir/paper/63207/en
https://www.ingentaconnect.com/content/govi/pharmaz/2009/00000064/00000001/art00012
https://www.proquest.com/openview/7f0ac605149bfe4f00bad5e9ea8d80f8/1?pq-origsite=gscholar&cbl=28466
https://www.thieme-connect.com/products/ejournals/abstract/10.1055/s-2008-1047867
http://greenpharmacy.info/index.php/ijgp/article/view/100
https://academicjournals.org/journal/AJPS/article-full-text-pdf/4F5373312049.pdf
https://core.ac.uk/download/pdf/33560389.pdf#page=99
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5542920/
Oat:
https://www.hindawi.com/journals/omcl/2018/6015351/
https://www.mdpi.com/1420-3049/26/18/5564
https://jag.journalagent.com/erciyesmedj/pdfs/EMJ_36_3_127_129.pdf
https://www.tandfonline.com/doi/abs/10.1080/1028415X.2015.1101304
https://www.sciencedirect.com/science/article/abs/pii/S2405457722014218
https://www.mdpi.com/2076-3921/10/9/1454
https://crimsonpublishers.com/acam/pdf/ACAM.000551.pdf
Chamomile:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3600416/
http://goums.ac.ir/journal/article-1-3271-en.html
https://onlinelibrary.wiley.com/doi/abs/10.1111/jfbc.13547
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3600408/
http://govaresh.org/index.php/dd/article/view/1906
http://drrandifredricks.com/chamomile-tea-anxiety/
Lavender:
https://www.sciencedirect.com/science/article/pii/S0944711319303411
https://www.sciencedirect.com/science/article/pii/S1976131721000773
https://sigmapubs.onlinelibrary.wiley.com/doi/abs/10.1111/wvn.12122
https://brieflands.com/articles/mcj-68390.html
https://academicjournals.org/journal/JMPR/article-full-text-pdf/29F489965115
https://www.sciencedirect.com/science/article/pii/S0965229921000200
https://www.degruyter.com/document/doi/10.1515/jcim-2021-0192/html
https://www.journalofsports.com/pdf/2019/vol4issue1/PartAB/4-1-317-920.pdf
https://link.springer.com/article/10.1007/s11920-022-01365-w
https://dergipark.org.tr/en/pub/ijtcmr/issue/73790/1163513
http://diposit.ub.edu/dspace/handle/2445/67100
https://link.springer.com/referenceworkentry/10.1007/978-3-319-56015-1_159-1
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0059998
Combination:
https://womenshealthbulletin.sums.ac.ir/article_48656.html
https://europepmc.org/article/med/10711131?utm_medium=27156&client=bot&client=bot&client=bot
https://journals.sagepub.com/doi/full/10.1177/0004867414539198
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7175441/
https://www.berkeleywellbeing.com/tea-for-calmness.html
https://www.ingentaconnect.com/content/ben/biot/2022/00000016/00000004/art00003