Chamomile Tea Benefits: What It Does for Sleep, Anxiety and Digestion

Published on 16 September, 2026

Most people reach for chamomile at the end of a difficult day. It is the tea you make when you cannot switch off, when your stomach is unsettled, or when you want something warm that will not keep you awake. That reputation is old, widely shared, and — for the things chamomile is actually good at — well earned.

What follows covers what chamomile does, how strong the evidence is for each use, how to brew it so you are not throwing away the active compounds, and the few people who should be careful with it.

What Chamomile Actually Is

Two different plants are sold as chamomile, and they are not interchangeable.

	German chamomile	Roman chamomile
Botanical name	Matricaria chamomilla, also written Matricaria recutita	Chamaemelum nobile
What you usually buy	Almost all chamomile tea sold as loose flowers or teabags	More often an essential oil for aromatherapy
Taste	Sweet, faintly like apple	More bitter
Used in research	Nearly all the clinical trials	Very little

When a study refers to chamomile, it almost always means German chamomile. The tea is brewed from the dried flower heads rather than the leaves.

A review from the Human Nutrition Research Center on Aging at Tufts University catalogued what those flowers contain: flavonoids including apigenin, quercetin, patuletin and luteolin, and an essential oil built around alpha-bisabolol and chamazulene. Apigenin is the compound most often credited with the calming effect, and chamazulene is what gives good chamomile oil its faint blue tint.

Chamomile and Sleep

This is the most common reason people drink it, and the evidence is reasonable rather than overwhelming.

A 2024 systematic review and meta-analysis in Complementary Therapies in Medicine pooled ten clinical trials covering 772 adults. Across the five trials that measured it, chamomile improved scores on the Pittsburgh Sleep Quality Index, a standard questionnaire where a lower score means better sleep, by an average of 1.88 points. The authors noted the trials varied considerably in their design and results, so the size of the benefit is less certain than its direction.

In practical terms: a modest, real improvement in how well people sleep, not a sedative. If you are lying awake because of untreated insomnia or a health problem, chamomile is not going to resolve it.

Chamomile and Anxiety

Chamomile has been studied more seriously for anxiety than for almost anything else, largely through a research group at the University of Pennsylvania.

Their 2016 trial, published in Phytomedicine, worked with outpatients who had moderate to severe generalized anxiety disorder. Everyone took chamomile extract for twelve weeks, and those who responded were then randomly assigned to continue on chamomile or switch to a placebo for a further 26 weeks. It is one of the longer trials of any herbal preparation for anxiety.

A 2019 systematic review in Phytotherapy Research assessed chamomile across state anxiety, generalized anxiety disorder, insomnia and sleep quality, and concluded the herb is worth taking seriously while noting how few high-quality trials exist.

Tea and Extract Are Not the Same Thing

This distinction matters more than any other on the page, because it is where expectations usually come unstuck.

The anxiety trials used pharmaceutical-grade chamomile extract at 1,500 mg a day, taken as three 500 mg capsules. That is a standardized, concentrated dose. A cup of tea delivers a small and variable fraction of it, depending on the flowers, the water temperature and how long you steep.

The Tufts review made the same point from the other direction: clinical trials of the tea's sedative effect, as opposed to the extract's, have essentially not been done. So the honest position is that the tea is a gentle, pleasant, low-risk ritual with some genuine calming properties, and the capsules are what the anxiety research is actually about. Both are worth having. They are not the same intervention.

Digestive Comfort

Chamomile's traditional use for the stomach is older than its use for sleep, and it is the reason so many after-dinner teas contain it. The essential oil has antispasmodic properties, meaning it helps smooth muscle relax, which is why it is reached for with cramping, trapped gas and the general heaviness after a large meal.

It is also naturally caffeine-free, which is much of why it works as an evening drink at all. A warm, caffeine-free cup an hour or so before bed does something for sleep on its own, quite apart from the plant in it.

Other Traditional Uses

Period pain. The antispasmodic action is the same principle as for digestive cramping, and chamomile appears in a good many traditional preparations for menstrual discomfort.
Mouth rinse. Cooled chamomile tea has long been used as a gargle for a sore mouth or throat.
Skin. Chamomile extracts appear widely in creams for irritated or inflamed skin, drawing on the anti-inflammatory activity of bisabolol.
Eyes. Cooled teabags are a common home remedy for tired eyes. Do not put chamomile in the eye itself, particularly if you have hay fever, as it can provoke exactly the irritation you are trying to settle.

How to Brew It Properly

Most of what chamomile offers sits in its volatile oil, and volatile means what it sounds like — it leaves with the steam. One small change makes a noticeable difference:

Use about a tablespoon of dried flowers, or one teabag, per cup.
Pour water just off the boil over them.
Cover the cup or pot while it steeps. This is the step almost everyone skips. A saucer over the mug traps the aromatic oils that would otherwise evaporate, and the difference in both strength and aroma is obvious.
Steep for five minutes, longer if you like it stronger. Chamomile does not turn bitter the way black tea does.
Strain, and add honey if you want it.

Whole dried flower heads generally make a better cup than the dust in a standard teabag, and they are not expensive.

How Much, and When

One to three cups a day suits most people. For sleep, drink it 30 to 45 minutes before bed rather than immediately before, which gives it time to work and avoids a trip to the bathroom at two in the morning.

Consistency matters more than quantity. Much of chamomile's value at bedtime comes from the ritual — the same warm drink at the same time each evening is a signal your body learns to read.

Who Should Be Careful

Chamomile is one of the gentler herbs, and for most people a cup of tea carries no meaningful risk. There are some real exceptions.

If you react to ragweed, mugwort, daisies or chrysanthemums. Chamomile belongs to the same plant family, Asteraceae, and cross-reactivity is documented. A 2001 study in the Journal of Investigational Allergology and Clinical Immunology recorded clinical cross-reactivity between mugwort and chamomile, and a 2019 case report in Allergology International described anaphylaxis to chamomile tea in a patient with mugwort allergy. Rare, but not theoretical.
If you take warfarin or another blood thinner. Chamomile contains natural coumarins and shows antiplatelet activity in laboratory work. Raise it with whoever manages your dose before drinking it daily.
If you are pregnant. Occasional cups are generally considered fine, but chamomile is traditionally avoided in quantity during pregnancy. Ask your own doctor or midwife rather than guessing.
Before surgery. Stop chamomile a couple of weeks beforehand, for the same clotting reason.
Infants. Chamomile tea is not appropriate for babies, and honey must never be given under twelve months.

If chamomile makes you sneeze, itch or feel your throat tighten, stop and treat it as an allergy rather than a coincidence.

Where Chamomile Fits in a Wellness Routine

Chamomile comes from the European herbal tradition rather than from classical Ayurveda, which is worth saying plainly on a page like this. It sits naturally within naturopathy, where diet, herbs, water therapies and daily rhythm are used together rather than in isolation.

That is also the honest frame for what it can do. A cup of chamomile will not fix sleep that is broken by stress you have not addressed, a room that is too warm, or a phone on the nightstand. As one part of a wind-down that also includes a consistent bedtime, less light in the evening and something to put the day down, it earns its place.

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FAQs

Q: Does chamomile tea actually make you sleepy?

A: It helps people sleep better rather than making them drowsy on the spot. Pooled trial data show a modest improvement in sleep quality scores. Expect something gentler than a sleep aid — more that you settle more easily than that you are knocked out.

Q: How long before bed should I drink it?

A: Thirty to forty-five minutes is about right. It gives the tea time to work and means you are less likely to be woken later by a full bladder.

Q: Is chamomile tea caffeine-free?

A: It is completely caffeine-free, being an infusion of flowers rather than a true tea, so there is no caffeine in it at any strength or steeping time.

Q: Can I drink chamomile every day?

A: For most people, yes. One to three cups daily is a common and reasonable amount, and there is no evidence of a problem with long-term use in that range.

Q: Why does my chamomile tea taste weak?

A: There are two usual reasons. You may be using teabag dust rather than whole dried flowers, and you are almost certainly steeping it uncovered. Putting a saucer over the cup keeps the aromatic oils in the tea rather than letting them escape with the steam.

Q: Can chamomile help anxiety?

A: The trials that showed a benefit for generalized anxiety disorder used a standardized extract at 1,500 mg a day, not tea. The tea is calming and low-risk, but if you are managing diagnosed anxiety, that is a conversation for your own doctor rather than something to treat with a teapot.

Q: Is chamomile safe in pregnancy?

A: An occasional cup is generally regarded as fine, but it is traditionally avoided in larger amounts during pregnancy. Check with your own doctor or midwife, since advice varies and it is easy to ask.

Q: Can chamomile interact with medication?

A: The one to watch is blood-thinning medication such as warfarin, because chamomile contains natural coumarins and shows antiplatelet activity in laboratory studies. Mention it to whoever manages your prescription.

Q: What is the difference between German and Roman chamomile?

A: German chamomile is the plant in nearly all chamomile tea and nearly all the research. Roman chamomile is a different species, more often sold as an essential oil for aromatherapy, and is more bitter to drink.

Q: Can I give chamomile tea to a child?

A: It should never be given to infants. For older children, weak chamomile tea is sometimes used, but check with a pediatrician first, especially if there is any history of hay fever or plant allergies in the family.

Sources

Kazemi A, Shojaei-Zarghani S, Eskandarzadeh P, Hashempur MH. Effects of chamomile (Matricaria chamomilla L.) on sleep: a systematic review and meta-analysis of clinical trials. Complementary Therapies in Medicine, 2024. PMID 39106912
Mao JJ, Xie SX, Keefe JR, Soeller I, Li QS, Amsterdam JD. Long-term chamomile (Matricaria chamomilla L.) treatment for generalized anxiety disorder: a randomized clinical trial. Phytomedicine, 2016. PMID 27912875
Hieu TH, Dibas M, Surya Dila KA, et al. Therapeutic efficacy and safety of chamomile for state anxiety, generalized anxiety disorder, insomnia, and sleep quality. Phytotherapy Research, 2019. PMID 31006899
McKay DL, Blumberg JB. A review of the bioactivity and potential health benefits of chamomile tea (Matricaria recutita L.). Phytotherapy Research, 2006. PMID 16628544
Nakagawa M, et al. A case of anaphylactic reaction to chamomile tea in a patient with mugwort pollinosis. Allergology International, 2019. PMID 30952586
de la Torre Morin F, et al. Clinical cross-reactivity between Artemisia vulgaris and Matricaria chamomilla (chamomile). Journal of Investigational Allergology and Clinical Immunology, 2001. PMID 11642570

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