🌙 A Japanese Doctor Recommends Drinking Clove Tea at Night—But What Does It Really Do?
You may have seen viral posts claiming that drinking clove tea before bed can improve sleep, cleanse the body, control blood sugar, relieve pain, boost circulation, and even “cure” several health problems.
But before turning this spicy drink into a nightly habit, there are a few important things you should know.
The phrase “a Japanese doctor recommends drinking clove tea at night” has been widely repeated online, but no clearly identified doctor, hospital, university, or published clinical recommendation appears to be connected to the claim.
That does not mean clove tea cannot be enjoyed. It simply means it should be treated as a warm herbal beverage—not as a miracle treatment.
Here is a mild, comforting version you can prepare at home.
⏱️ Prep Time: 3 minutes
🔥 Steeping Time: 8–10 minutes
🕒 Total Time: About 13 minutes
☕ Yield: 1 cup
Ingredients
- 1 cup filtered water
- 2–3 whole cloves
- 1 thin slice of fresh ginger, optional
- 1 small cinnamon stick, optional
- 1 teaspoon fresh lemon juice, optional
- ½–1 teaspoon honey, optional
Important: Use ordinary whole cloves from the spice aisle. Do not add clove essential oil or concentrated clove oil to this drink.
How to Make Clove Tea
1. Lightly Crush the Cloves
Place two or three whole cloves on a cutting board.
Gently press them with the flat side of a knife or the bottom of a spoon. You only need to crack them slightly—not grind them into powder.
Lightly crushing the cloves helps release their aroma and flavor into the water.
2. Heat the Water
Pour one cup of filtered water into a small saucepan and bring it to a gentle boil.
3. Add the Spices
Add the crushed cloves to the water.
For additional warmth and flavor, add a thin slice of fresh ginger or a small cinnamon stick.
4. Simmer Gently
Reduce the heat and allow the mixture to simmer gently for approximately 5 minutes.
Avoid boiling it aggressively, as this can make the tea taste overly strong or bitter.
5. Let It Steep
Turn off the heat, cover the saucepan, and allow the tea to steep for another 3–5 minutes.
For your first cup, use a shorter steeping time. You can steep it slightly longer the next time when you prefer a stronger flavor.
6. Strain and Serve
Pour the tea through a fine-mesh strainer into a mug.
Allow it to cool until it is comfortably warm. Add lemon juice or a small amount of honey, if desired.
Sip it slowly rather than drinking it immediately before lying down.
What Is Actually in Cloves?
Cloves are the dried, unopened flower buds of the clove tree. Their distinctive aroma and spicy flavor come largely from a natural compound called eugenol.
Laboratory, animal, and early-stage research has examined eugenol and clove extracts for antioxidant, antimicrobial, anti-inflammatory, blood-glucose, and platelet-related effects. However, those findings do not prove that a cup of clove tea can prevent, cure, or treat a medical condition. Research involving concentrated extracts or isolated compounds also cannot automatically be applied to homemade tea.
Will Drinking It at Night Improve Sleep?
At this time, there is not strong human clinical evidence showing that clove tea specifically improves sleep or that drinking it at night provides special benefits.
Some people may still find a warm, aromatic, caffeine-free beverage relaxing as part of their bedtime routine. That experience is different from proving that cloves directly treat insomnia.
For better sleep, the most reliable habits remain maintaining a regular bedtime, reducing late-night caffeine, keeping the bedroom dark and comfortable, and discussing persistent sleep problems with a healthcare professional.
Why People Enjoy Clove Tea
People commonly drink this tea because it is:
- Warm and aromatic
- Naturally caffeine-free
- Easy to prepare
- Pleasant during colder weather
- A flavorful alternative to sugary evening drinks
- Customizable with ginger, cinnamon, lemon, or honey
Some people also report that a warm drink feels soothing after a heavy meal. Individual experiences can vary, and clove tea should not replace medical treatment for ongoing digestive symptoms.
Optional Flavor Variations
Ginger-Clove Tea
Add one thin slice of fresh ginger while the cloves simmer.
This version has a stronger, warmer flavor that is especially comforting during cold weather.
Cinnamon-Clove Tea
Add one small cinnamon stick to the saucepan.
The cinnamon softens the sharp clove flavor and gives the tea a naturally sweeter aroma.
Lemon-Clove Tea
After straining the tea, stir in one teaspoon of fresh lemon juice.
Do not boil the lemon juice with the spices, as adding it after steeping preserves its fresher flavor.
Honey-Clove Tea
Let the tea cool slightly before stirring in ½–1 teaspoon of honey.
Remember that honey is still an added sugar and may not be appropriate for everyone. Never give honey to an infant younger than 12 months.
Orange-Spice Tea
Add one small strip of orange peel while the tea steeps.
Use only the colored outer peel and avoid adding too much of the bitter white pith.
Important Safety Information
Clove used in ordinary culinary amounts is very different from concentrated clove oil.
Never drink clove essential oil. Concentrated eugenol can be harmful in large amounts and has been associated with serious poisoning, including liver injury. MedlinePlus warns that relatively small quantities of eugenol oil can cause serious effects.
Ask a doctor or pharmacist before regularly drinking concentrated clove preparations when you:
- Take warfarin or another blood-thinning or antiplatelet medication
- Have a bleeding disorder
- Are preparing for surgery or a dental procedure
- Take medication that lowers blood sugar
- Have liver disease
- Are pregnant or breastfeeding
- Have a known allergy to cloves, eugenol, or similar spices
Clove and some of its components have demonstrated platelet-related activity, and published medical reviews identify clove as an herb that may potentially interact with warfarin. The clinical importance can vary, so medication should never be stopped or changed without professional guidance.
Stop drinking the tea and seek medical advice if you develop unusual irritation, swelling, a rash, breathing difficulty, severe nausea, dizziness, or abnormal bleeding.
How Often Should You Drink It?
There is no scientifically established bedtime dose of clove tea for improving sleep or treating disease.
A mild cup made with two or three whole cloves can be enjoyed occasionally as a food-based beverage by many healthy adults. Stronger is not necessarily better.
Avoid continuously increasing the number of cloves, consuming concentrated preparations, or using the tea as a substitute for prescribed medication.
Storage
Clove tea tastes best when it is freshly prepared.
When necessary, allow leftover tea to cool, transfer it to a clean covered container, and refrigerate it. Reheat it gently and use it within approximately 24 hours.
The Bottom Line
Clove tea can be a fragrant and comforting nighttime drink, but claims that it cures headaches, cleanses organs, melts fat, reverses diabetes, removes parasites, or guarantees better sleep are not supported by strong clinical evidence.
Enjoy it for its warm flavor—not as a miracle cure.
📌 Save this simple recipe for a cozy evening drink.
👇 Would you add ginger, cinnamon, lemon, or honey to your clove tea? Share your favorite combination in the comments!
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