It may sound like something out of an old folktale, but placing a clove of garlic under your pillow before bedtime is more than just an age-old superstition. For generations, people around the world have used this humble kitchen staple in ways that go far beyond flavoring food — and some of those traditions have surprising potential health benefits.
So, why would anyone willingly sleep with garlic at the head of their bed?
As odd as it may seem, this nighttime habit is believed to offer support for better sleep, a stronger immune system, natural congestion relief, and even insect protection. While modern science is still catching up to fully explain some of these effects, thousands swear by the results — and there may be more logic behind this practice than you think.
Let’s explore four reasons why placing garlic under your pillow might be worth trying — especially for older adults looking for simple, natural ways to support better health at night.
1. Garlic Can Help Relieve Nasal Congestion While You Sleep
If you’ve ever had a stuffy nose keep you up all night, you know how frustrating and exhausting it can be. Whether it’s due to seasonal allergies, a lingering cold, or weather changes, blocked sinuses can seriously disrupt your rest.
That’s where garlic comes in.
Garlic contains a powerful natural compound called allicin, which is released when the clove is crushed or cut. Allicin has strong antimicrobial and anti-inflammatory properties that may help fight off infections and dissolve built-up mucus in your nasal passages.
While simply placing a clove of garlic under your pillow won’t act as an overnight cure, the idea is that its subtle vapors can gradually help open your sinuses and make breathing easier during the night.
If you often wake up with a blocked nose or pressure in your sinuses, this simple remedy might be worth a try.
2. Garlic’s Natural Compounds May Strengthen the Immune System
As we age, our immune system needs all the help it can get. Garlic has long been studied for its potential to support immune function — and allicin plays a big role here as well.
Even without eating it, garlic’s natural aroma contains sulfur-rich compounds known for their antibacterial and antiviral effects. When inhaled in small amounts overnight, some believe that garlic’s vapors can help defend against minor infections, especially those affecting the respiratory system.
Although there’s limited scientific evidence on placing garlic under your pillow specifically, garlic itself has been widely recognized in nutritional science for its ability to help:
- Inhibit the spread of harmful bacteria
- Reduce inflammation in the body
- Support natural detox processes
Many people who use garlic under their pillow claim they wake up feeling less groggy, more refreshed, and less prone to seasonal illnesses — particularly during cold and flu season.
3. Garlic Naturally Repels Mosquitoes and Other Insects
Here’s a practical reason that makes a lot of sense — especially during summer or in warm, humid climates.
The strong, sulfuric odor released by garlic has been shown to repel mosquitoes, flies, and other nighttime pests. Insects find the smell of garlic disorienting, making them far less likely to enter your sleeping area.