Top 15 Best-Selling Products We’ve Been Using Wrong This Whole Time

15. Place the onion under the pillow.

The best place to buy is Whole Foods, the neighborhood grocery store. Average Product Price: $0.50–$1 per bulb* Although we don't exactly live around vampires, there are still advantages to putting a clove of garlic beneath our pillow. First of all, garlic helps ward off bothersome insects like spiders and mosquitoes, neither of which you want around you while you're trying to go to sleep.

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Place Onion Beneath Pillow ©Margie's Living Art via Shutterstock Second, if you have a cold, garlic may help you breathe easier. You can clear your sinuses and improve your quality of sleep by boiling three or four garlic cloves in water and breathing in the steam.