US National Library of Medicine National Institutes of Health
Chamomile Herbal Tea Research Results
May Help With Sleep Quality and Depression
Effects of an intervention with drinking chamomile tea on sleep quality and depression in sleep disturbed postnatal women: a randomized controlled trial: https://www.ncbi.nlm.nih.gov/pubmed/26483209
Preliminary examination of the efficacy and safety of a standardized chamomile extract for chronic primary insomnia: A randomized placebo-controlled pilot study: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3198755/
May Help With Antibacterial, Anti-inflammatory and Liver-protecting Effects
A systematic review study of therapeutic effects of Matricaria recuitta chamomile (chamomile): https://www.ncbi.nlm.nih.gov/pubmed/27790360
May Help Fight Diarrhea and Stomach Ulcers
Assessment of some Herbal Drugs for Prophylaxis of Peptic Ulcer: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4177631/
Some studies showed that it may reduce symptoms of premenstrual syndrome. There was also evidence of people with type 2 diabetes saw improvements in blood glucose, insulin and blood lipid levels.
Comparison of the effects of Matricaria chamomile (Chamomile) extract and mefenamic acid on the intensity of premenstrual syndrome: https://www.ncbi.nlm.nih.gov/pubmed/24439651/
Effectiveness of chamomile tea on glycemic control and serum lipid profile in patients with type 2 diabetes: https://www.ncbi.nlm.nih.gov/pubmed/25194428/Some more evidence can be used to clarify these results, though preliminary evidence suggests there is much benefit to this tea.