Why Housewives Spray Vinegar on Doorknobs Before Bed

It might sound like an old wives’ tale, but many households swear by a simple nightly ritual: spraying vinegar on doorknobs before going to bed. At first glance, it seems odd — why would anyone do that? The answer is surprisingly practical, rooted in hygiene, safety, and even natural pest control.

Here’s why this simple trick has been passed down for generations.

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1. Kills Germs Naturally

Doorknobs are some of the germiest surfaces in the home. Every touch spreads bacteria, viruses, and other microbes — which can make families sick.

• Vinegar is a natural antiseptic.
• Spraying doorknobs before bed helps reduce germs overnight, especially on frequently touched surfaces like bedroom and bathroom doors.
• It’s a chemical-free alternative to harsh disinfectants, safe for families and pets.

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2. Deters Insects

Believe it or not, vinegar can also act as a natural insect deterrent:

• Ants, spiders, and other small pests are repelled by vinegar.
• Spraying it on doorknobs, window handles, and other entry points can help keep these unwanted visitors out of bedrooms.
• This is especially useful in warmer months when insects are more active.

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