This guide covers whether chamomile helps you sleep, how and when to drink it, its side effects and allergy risks, and how it compares with magnesium and glycine.
What is in chamomile, and where does apigenin fit?
Chamomile used for sleep is usually German chamomile (Matricaria chamomilla), sold as tea, loose flowers or capsules. The flower contains many plant compounds, and the one most often linked to its calming reputation is apigenin, a flavonoid.
Apigenin is only one of many compounds in the flower, so you can't assume a cup of chamomile works the way apigenin alone would. How much ends up in your cup depends on the blend and how you brew it.
What the study results show
Chamomile might help a little, but the picture is mixed and nothing about it is clear-cut.
Where it seems to help
A cup of chamomile in the evening can help you sleep a little better, and you may fall asleep faster or wake less often. Don't expect it to change how rested you feel the next day.1
New mothers who were sleeping badly slept better after a daily cup of chamomile tea for a couple of weeks, though the effect had faded a few weeks later. Part of that may come from the ritual of a warm drink at a set time rather than the chamomile itself.
Where it falls short
Chamomile hasn't shown a clear benefit for long-term insomnia. A concentrated extract didn't change sleep for people with chronic insomnia, and there's very little information on chamomile for insomnia overall.2
| Form | How it's taken | What people noticed | Takeaway |
|---|---|---|---|
| Tea or extract | Varies | Slightly better sleep quality overall; mixed on other measures | Worth a try |
| Tea | One cup a day for two weeks | Better sleep for new mothers, but the effect faded by week four | May not last |
| Concentrated extract | Twice a day for four weeks | No clear benefit for people with chronic insomnia | Don't count on it |
Recommended Products
The Stack products for the ingredients compared later in this guide.
How much to drink, and when
A cup of tea isn't the same as the concentrated extracts behind many of the results people quote, so don't count on matching them with your mug. A daily cup for a couple of weeks is a fair thing to try.
If you want to try it, follow these steps:
- Brew it properly. Steep one tea bag, or one to two teaspoons of dried flowers, in hot water for about five minutes. A short steep gives a weaker cup.
- Drink it 30 to 60 minutes before bed. Many people use it as part of a wind-down routine.
- Check the label for caffeine. Pure chamomile is caffeine-free, but some sleep blends include black or green tea.
- Give it two to four weeks. The benefit can fade, so judge it over several weeks rather than a single night.
Side effects and allergies
Chamomile is likely safe in the amounts found in teas and foods. Side effects are uncommon and can include nausea and dizziness. Allergic reactions happen, and in rare cases they can be severe.2
- Plant allergies. People allergic to ragweed, chrysanthemums, marigolds or daisies are more likely to react, because chamomile belongs to the same plant family.
- Blood thinners and liver-processed drugs. Chamomile can interact with warfarin and with some drugs processed by the liver. Sedatives are a theoretical concern.
- Birth control pills. Chamomile may reduce how well birth control pills work.
- Estrogen-sensitive conditions. Chamomile may have estrogen-like effects, which matters if you have a condition that estrogen affects.
- Pregnancy and breastfeeding. Little is known about its safety.
- Young children. Short-term use is considered possibly safe, but children are a case for extra caution.
- Eyes. Keep tea out of the eyes, because chamomile can cause irritation there.
If you're pregnant or breastfeeding, take regular medicines such as blood thinners, sedatives or birth control pills, or have a condition that estrogen affects, check with your doctor or pharmacist before drinking chamomile regularly. Check with a paediatrician before giving it to a child.
If you have a severe reaction, such as swelling of the face or lips or trouble breathing, get emergency medical help straight away.
Chamomile vs magnesium and glycine
People compare chamomile with other sleep ingredients because each one suits a different routine. The table below sets out the main differences.
| Chamomile | Magnesium bisglycinate | Glycine | |
|---|---|---|---|
| Usual form | Tea or extract | Capsule | Powder, 3 g per serve |
| Best known for | A calming evening ritual | Evening wind-down and tense muscles | Feeling fresher the next morning |
| What to expect | Slightly better sleep quality; mixed for insomnia | Modest at best; results vary | Better sleep quality and next-morning feeling |
| Evidence strength | Limited and mixed | Weak | Promising, but thin |
Magnesium
Magnesium is often picked as a general sleep aid, but the backing is weak. It may help some people, particularly older adults, fall asleep a bit faster, but results are inconsistent and it isn't a reliable fix for poor sleep.3 The Deep Rest capsule uses magnesium bisglycinate, with 92.2 mg of elemental magnesium per capsule, taken 30 to 60 minutes before bed.
Glycine
Glycine is best known for how you feel the next morning as well as for sleep itself. It supports sleep quality, helps you feel less fatigued and clearer-headed the day after, and can help you fall asleep faster.
The research on glycine is still small, so keep your expectations modest. Dream On: Glycine provides 3 g of glycine per serve, taken with water before sleep. For a wider look at the ingredient, see Glycine for Sleep: Benefits and Uses.
Which one fits which problem?
Chamomile suits you if you want a caffeine-free evening ritual and accept that the effect is small. Magnesium is more often chosen for evening wind-down and tense muscles, though its backing is weak. Glycine has the most specific appeal for feeling fresher the next morning, though the evidence is still thin. For a broader guide to matching an ingredient to your problem, see how to choose the best sleep supplements in India.
Frequently Asked Questions
Does chamomile tea cure insomnia?
No. Chamomile hasn't been shown to help with insomnia, and there's very little information on it for that use.
How long before I notice a difference?
Give it two to four weeks of regular use. A single good or bad night tells you little.
Is chamomile tea safe to drink every night?
Chamomile is likely safe in the amounts found in teas and foods. If you're allergic to ragweed or daisies, or take blood thinners or other prescription medicines, check with your doctor or pharmacist first.
Does chamomile tea contain caffeine?
Pure chamomile is naturally caffeine-free. Some blends add black or green tea, so read the ingredient list if you drink it close to bedtime.
Can I combine chamomile with magnesium or glycine?
You can, but combining products makes it hard to tell what's working. Start with one product.
Is chamomile safe during pregnancy or breastfeeding?
Little is known about its safety in pregnancy or while breastfeeding, so check with your doctor before using it.
Why do so many people say it works?
Part of the appeal is the ritual: a warm cup, a set time and less screen time before bed. It's hard to separate the drink from that routine, so the ritual may be doing some of the work.
When should I see a doctor about sleep?
See a doctor if you have trouble sleeping on most nights for three months or more, snore loudly, have pauses in breathing at night, or feel severely sleepy during the day.
Disclaimer: This article is for general information and does not replace advice from a doctor, pharmacist or other qualified health professional. Chamomile, magnesium and glycine are not intended to diagnose, treat, cure or prevent any disease. Ask a clinician before starting any supplement if you are pregnant, breastfeeding, have a medical condition, or take prescription medicines.
References
- 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. Complement Ther Med. 2024;84:103071. doi:10.1016/j.ctim.2024.103071. PMID: 39106912. PubMed
- National Center for Complementary and Integrative Health (NCCIH). Chamomile: Usefulness and Safety. Last updated November 2024. Authority guidance. nccih.nih.gov
- Lopresti AL, Smith SJ, Drummond PD. Magnesium Supplementation for Sleep in Adults: A Systematic Review of Randomized Controlled Trials. J Diet Suppl. 2026;23(5):553-581. doi:10.1080/19390211.2026.2719670. PMID: 42661485. PubMed
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