Add a Few Drops of Oil to an Onion: A Simple Home Trick That Repels Mosquitoes and Improves Sleep

Many people rely on electric repellents, sprays, or coils to keep mosquitoes away at night, but few realize that a simple kitchen ingredient combined with essential oil can be just as effective — and far safer.

According to household experts, placing sliced onion mixed with a few drops of essential oil in the bedroom can help repel mosquitoes naturally while also creating a calming environment that supports better sleep.

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Why Onion Works Against Mosquitoes

Onions release sulfur-containing compounds with a strong odor that insects find unpleasant. While harmless to humans, these compounds interfere with mosquitoes’ ability to locate people through scent.

When onion is cut, these natural volatile substances are released into the air, forming a mild but effective mosquito deterrent.

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The Role of Essential Oil

Adding a few drops of essential oil — such as eucalyptus oil, peppermint oil, lemongrass oil, or menthol-based oil — significantly enhances the effect.

These oils:

• Intensify mosquito-repelling properties

• Create a fresh, cooling scent

• Help relax the nervous system

• Promote deeper, more restful sleep

The combination works on both physical and sensory levels: mosquitoes are repelled, while humans feel calmer and breathe more comfortably.

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How to Use This Method at Home

1. Cut one onion in half or into thick slices

2. Place it in a small bowl or plate

3. Add 3–5 drops of essential oil on the onion surface

4. Put the bowl near the bed, window, or room corner

5. Replace the onion daily for best results

No electricity, no chemicals, and no smoke are required.

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Additional Benefits

• Safe for children and the elderly

• No toxic fumes like chemical repellents

• Low cost and easy to prepare

• Can reduce nighttime nasal congestion

Many people report sleeping more deeply and waking up feeling more refreshed after using this method.

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Important Notes

• Do not place the onion too close to the face

• Ensure the room is well ventilated

• Avoid using essential oils if you are allergic

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Conclusion

Sometimes the most effective solutions are also the simplest. An onion and a few drops of essential oil can turn your bedroom into a mosquito-free, sleep-friendly space — without relying on chemicals.

A small trick, but a surprisingly big difference.