Caffeine can disrupt sleep, especially when consumed too late in the day. Here are the 8 worst caffeine-rich foods and drinks to avoid if you want to sleep soundly at night.
Worst Caffeine-Rich Foods and Drinks for Sleep
1. Coffee
Coffee is the most well-known source of caffeine, but it can be a major sleep disruptor if consumed too late.

- High caffeine content: A cup of coffee can contain up to 95 mg of caffeine.
- Long-lasting effects: Caffeine can stay in the body for 6-8 hours, affecting your ability to fall asleep.
- Disrupts sleep stages: Studies show caffeine interferes with deep sleep, leading to poor rest.
2. Energy Drinks
Energy drinks are packed with sugar and caffeine, making them a double threat to your sleep.
- High caffeine levels: Many energy drinks contain 150-300 mg of caffeine per serving.
- Energy crashes: After the caffeine wears off, a sudden energy dip can make you feel restless and jittery.
- Artificial ingredients: Some contain additives that can also disrupt your digestion and sleep patterns.
3. Dark Chocolate
Dark chocolate contains caffeine and theobromine, both stimulants that can impact sleep.
- Caffeine content: A 1-ounce piece can have up to 30 mg of caffeine.
- Theobromine effects: Theobromine can raise heart rate and make falling asleep more difficult.
- Late-night cravings: Many people turn to chocolate as a late-night snack, unknowingly sabotaging their sleep.
4. Tea
Although tea is often thought of as a relaxing beverage, some varieties contain caffeine.

- Black and green teas: These contain caffeine, with black tea having up to 70 mg per cup.
- Chai teas: Chai blends are often spiced and caffeinated, which can disturb sleep.
- Herbal teas: While some herbal teas are caffeine-free, those with added stimulants like yerba maté can interfere with sleep.
5. Soft Drinks
Sodas, especially colas, are common sources of caffeine, often consumed mindlessly throughout the day.
- High sugar content: Combined with caffeine, sugary sodas can spike blood sugar and lead to an energy crash.
- Caffeine content: A 12-ounce cola typically contains 30-50 mg of caffeine.
- Late-night snacking: Many people reach for soft drinks in the evening, which can prevent restful sleep.
6. Iced Coffee
Iced coffee may feel refreshing but packs a serious caffeine punch that disrupts sleep.
- Caffeine-rich: Depending on the size, a large iced coffee can have over 200 mg of caffeine.
- Cool temperature: Drinking it late at night may trick your body into thinking it’s time to be alert.
- Hidden sugar: Iced coffee drinks often contain sugar syrups, contributing to an energy spike and crash.
7. Pre-Workout Supplements
Pre-workout drinks are designed to boost energy during exercise, but their caffeine content can harm sleep quality.
- Caffeine overload: Many pre-workout formulas contain up to 300 mg of caffeine.
- Increased heart rate: The caffeine and stimulants can increase heart rate, making it hard to unwind.
- Timing issues: Drinking these before evening workouts may leave you wired when it’s time to sleep.
8. Yerba Maté
Yerba maté is a South American drink known for its stimulating effects, thanks to its caffeine content.
- Caffeine equivalent: One serving contains roughly 30-50 mg of caffeine, similar to a cup of tea.
- Stimulating properties: Maté can boost mental clarity, but also raises energy levels, potentially interfering with sleep.
- Long-lasting effects: The stimulating effects can linger for hours, preventing restful sleep.
Conclusion:
To ensure a good night’s sleep, avoid these caffeine-rich foods and drinks, particularly in the hours leading up to bedtime. Prioritize decaffeinated or herbal options to support your body’s natural sleep cycle.