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A wooden bowl filled with loose-leaf tea on a rustic wooden table, with a wooden scoop resting inside. Surrounding the bowl, small wooden letter tiles spell out 'tea time' in a cozy, inviting arrangement.

Is It Good to Drink Oolong Tea Before Bed?

Written by: Camille Liu

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Time to read 5 min

Instruction


Oolong tea is one of the most popular traditional Chinese teas, known for its weight loss benefits, metabolism boost, and rich antioxidants. Many people drink it daily to support digestion, enhance fat burning, and maintain overall well-being. However, is it good to drink oolong tea before bed?

The answer is no , and here’s why:

  • Caffeine Content – Even though oolong tea contains less caffeine than coffee, it can still interfere with sleep.
  • Increased Acid Production – Oolong tea can trigger acid reflux or stomach discomfort at night.
  • Frequent Urination – Drinking tea before bed may result in multiple nighttime trips to the bathroom, disturbing sleep.

Instead of drinking oolong tea at night, it’s best to consume it earlier in the day to fully enjoy its benefits without affecting sleep quality. In this guide, we’ll explain the best time to drink oolong tea for weight loss, how to incorporate it into your routine, and the ideal way to brew it for maximum benefits.

Why You Should Avoid Drinking Oolong Tea Before Bed

1. Oolong Tea Contains Caffeine That Can Keep You Awake

One of the biggest reasons to avoid drinking oolong tea before bed is its caffeine content. Oolong tea typically contains 30-50 mg of caffeine per cup , depending on the type and brewing time.


For comparison:
☕ Coffee: 95-120 mg per cup
🍵 Green Tea: 25-35 mg per cup
🍂 Oolong Tea: 30-50 mg per cup


While oolong tea contains less caffeine than coffee, it’s still enough to disrupt sleep, delay melatonin production, and make it harder to fall asleep or stay asleep.

💡 Tip: If you’re sensitive to caffeine, avoid oolong tea at least 6 hours before bedtime .

🔗  Learn more about how caffeine affects sleep 

A ceramic cup filled with golden-hued tea sits on a folded linen cloth, bathed in soft natural sunlight. A delicate tea leaf branch extends into the frame.

2. Drinking Oolong Tea at Night Can Cause Acid Reflux

Oolong tea contains tannins, which can increase stomach acid production. 


If you drink it too close to bedtime—especially on an empty stomach—it may trigger acid reflux, heartburn, or stomach discomfort.


💡 Tip: If you have acid reflux, drink oolong tea after meals and during the day, not before bed.

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3. It May Cause Frequent Urination at Night

Oolong tea is a natural diuretic, meaning it increases urine production. 


Drinking it late at night might lead to frequent bathroom trips, disrupting your sleep.


💡 Tip: To avoid waking up at night, stop drinking tea at least 2-3 hours before bed.

A white ceramic cup filled with warm amber-colored tea, placed on a rustic textured surface. Loose-leaf tea and a fresh green tea leaf are arranged beside the cup.

Best Time to Drink Oolong Tea for Weight Loss and Health Benefits

Since drinking oolong tea before bed isn’t ideal, when is the best time to drink oolong tea for weight loss and optimal health?

1. Morning – Kickstart Your Metabolism

Why? Drinking oolong tea in the morning helps wake up your body, improve focus, and enhance metabolism. The tea’s polyphenols and catechins boost fat-burning and help your body burn more calories throughout the day.


💡 How to Drink It:

  • Have a cup of oolong tea 30 minutes after breakfast to maximize fat-burning.
  • Avoid drinking it on an empty stomach , as it may cause stomach discomfort.
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2. Before Meals – Enhance Digestion and Control Appetite

Why? Drinking oolong tea before meals can help:

  • Suppress appetite, preventing overeating.
  • Improve digestion, making it easier to break down food.
  • Reduce fat absorption, supporting weight loss.

💡 How to Drink It:

  • Have a warm cup of oolong tea 30 minutes before lunch or dinner to help curb appetite.
  • If you experience acid reflux, drink oolong tea after meals instead .
A delicate porcelain tea cup with blue floral patterns, filled with amber-colored tea, sitting on a wooden tray.

3. Afternoon – Beat the Midday Energy Slump

Why? Drinking oolong tea in the afternoon can:

  • Provides a steady energy boost without the jittery effects of coffee.
  • Help curb sugar cravings and reduce snacking.
  • Improve focus and productivity.

💡 How to Drink It:

  • Enjoy a cup between 2:00-4:00 PM to stay alert and energized.
  • Avoid drinking it after 5:00 PM if caffeine affects your sleep.

A beautifully crafted ceramic tea cup with a blue floral pattern, filled with golden-green tea, sitting on a wooden coaster.

How to Brew Oolong Tea for Maximum Benefits

To get the best health and weight loss benefits from oolong tea, follow these simple brewing steps:


🔸 Use fresh, high-quality oolong tea leaves for the best flavor and nutrients.
🔸 Water temperature: 85-90°C (185-194°F) – avoid boiling water, as it may make the tea bitter.
🔸 Steeping time: 2-5 minutes, depending on the strength you prefer.
🔸 Drink it plain – avoid adding sugar or milk to keep calories low.


💡 Tip: If you want to reduce caffeine intake, try a lightly oxidized oolong tea , as darker teas tend to have more caffeine.

A white ceramic cup filled with golden-yellow tea, placed on a clean white background. Next to the cup, tightly rolled loose-leaf tea leaves are arranged in a crescent shape

Conclusion: Should You Drink Oolong Tea Before Bed?

🚫 No – Drinking oolong tea before bed can cause sleep disturbances, acid reflux, and frequent urination.

✅ Yes – If consumed at the right time – The best time to drink oolong tea for weight loss and health benefits is:

  • In the morning – to boost metabolism
  • Before meals – to support digestion and appetite control
  • In the afternoon – to stay energized and reduce cravings

If you want to enjoy the benefits of oolong tea without affecting sleep , it’s best to drink it before 5:00 PM .

Would you like to try premium, organic oolong tea ? Visit  Red Rock Tea House  for high-quality selections!

FAQs

Is it good to drink oolong tea before bed?

No, drinking oolong tea before bed is not recommended because it contains caffeine, which can interfere with sleep quality, cause acid reflux, and lead to frequent urination at night. If you are sensitive to caffeine, it’s best to avoid oolong tea at least six hours before bedtime.

What is the best time to drink oolong tea for weight loss?

The best time to drink oolong tea for weight loss is:

  • In the morning – to boost metabolism and fat burning throughout the day.
  • Before meals – to suppress appetite and aid digestion.
  • In the afternoon – to prevent energy crashes and reduce cravings.

Avoid drinking it late in the evening, as the caffeine may disrupt your sleep.

Can I drink oolong tea at night if I want to lose weight?

Drinking oolong tea at night may still help with fat oxidation during sleep , but if caffeine affects your sleep quality, it’s better to drink it earlier in the day . Poor sleep can actually slow down metabolism and make weight loss harder.

Does oolong tea have more caffeine than green tea?

Yes, oolong tea generally has more caffeine than green tea but less than black tea. The caffeine content depends on the oxidation level and brewing time :

  • Green tea: 25-35 mg per cup
  • Oolong tea: 30-50 mg per cup
  • Black tea: 40-70 mg per cup
  • Coffee: 95-120 mg per cup

If you’re looking for a low-caffeine alternative, consider lightly oxidized oolong tea or decaffeinated tea.

How long before bed should I stop drinking oolong tea?

If you are sensitive to caffeine, stop drinking oolong tea at least 6 hours before bedtime. If you have acid reflux, avoid drinking it 2-3 hours before lying down to prevent discomfort.

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