Is it OK to leave laundry overnight?

Author: Jamal Haag  |  Last update: Wednesday, November 26, 2025

While it's best practice to place your garments in the dryer or on the clothesline right after the cycle finishes, it's perfectly okay to leave your wet clothes in the washer overnight, Martha says. "I mean, don't leave it for a long time—don't leave it for a week," she says.

Is it OK to leave washing out overnight?

Leaving wet clothes in the washing machine overnight is generally not recommended for several reasons. Wet clothes that sit in a closed, dark, and damp environment, such as the washing machine drum, are prone to developing unpleasant odors and even mildew.

How long can I leave clothes in the washer before they stink?

Lucinda Ottusch, a home economist spokesperson from the Whirlpool Institute of Fabric Science, has said that laundry can be left for up to 12 hours in the household appliance. Over an eight to 12 hour period it is unlikely an unwanted odor will form, and even more unlikely for bacterial mildew to develop.

Can I leave clothes in detergent overnight?

Leaving clothes soaking in detergent for many days is generally not recommended. Here are a few reasons why: Fabric Damage: Prolonged exposure to detergent can weaken fibers, leading to potential damage or fading of the fabric.

Is it OK to leave laundry unattended?

Do Not Leave Clothes Unattended After Washing/Drying Cycle. No one wants to be that person who has their clothes removed from the machine if they are left unattended. Proper laundromat etiquette is simply setting a timer on your phone for your load's cycle. Laundromat cycles typically last 20-40 minutes.

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Is it bad to let laundry sit overnight?

Leaving your clothes unattended for 24 hours is enough to build up mildew and moisture spots on your clothes. Mold is a white substance that develops on a garment sometime after it has mildew.

Is it OK to leave dirty laundry?

Mildew and Mold Formation

Mold and mildew formation poses a risk to your family, especially if someone is pregnant or asthmatic. Mold also leaves an unsavory odor around your house. To keep mold and mildew at bay, it's best to do your laundry frequently. Also, avoid leaving dirty laundry on the floor.

Can you leave washing up overnight?

Warm, damp spaces encourage the growth of harmful bacteria, which can spread to other parts of the kitchen. These bacteria can be harmful to your health, especially if they get onto your hands or kitchen surfaces. Washing your dishes right away helps keep your kitchen safe and sanitary.

What happens if detergent sits on clothes?

As laundry detergent builds up on clothes, fibers can become more coated with residue, causing the fabric to become stiff.

Is it okay to soak white clothes overnight?

We love soaking our white clothes in a mixture of half a cup of lemon juice and one gallon of hot water for at least an hour, but overnight works best. The citric acid in lemon juice helps to remove stains and brighten fabrics.

How long does it take for laundry to get moldy?

If your clothes are damp or in a humid environment with little ventilation, this often leads to mold growth. Mold can start growing on wet clothing as soon as 24 to 48 hours. You should be able to discover mold on your clothing from the musty smell.

Can I leave the washing machine on overnight?

Don't leave the washing machine, tumble dryer or dishwasher on overnight and unattended. Don't leave mobile phones, tablets or e-cigarettes charging overnight. Check that your hob and oven switches are all off. Turn heaters off, rake out fires and put a fire guard in place.

Can you leave clothes in the washer overnight reddit?

You are fine. I regularly wash linen items in the evening on delicate with 'fresh care' selected (which tumbles them periodically) and let them stay in the washer intentionally overnight--no mold, no smell, few wrinkles.

Can clothes air dry overnight?

Abandon Your Clothes Overnight

Martha Stewart says leaving wet clothes overnight is “perfectly alright.” Martha's blog even says this can be a smart move if you're air drying the next morning—because sitting overnight helps get rid of excess water.

Why shouldn't we dry clothes at night?

Do not leave laundry outside at night as it risks humidity and bad odors. Better to spread it out during the day for good drying in the air fresh.

What days should you not do washing?

One of the most prevalent New Year's superstitions is that on January 1 no washing should be done. However, some people go one step further and make it a custom to keep any dirty clothes unwashed from Christmas until New Year's Day.

Is it bad to leave detergent on clothes overnight?

Can you soak your clothes in detergent overnight? Soaking clothes in detergent overnight is therefore, not recommended. While soaking can help loosen those stubborn stains, but doing so for an extended period can be detrimental to the fabric. The longer the time, the higher the risk.

How long can you soak clothes in detergent overnight?

Submerge your garments in a bucket of warm water with a little Surf hand washing powder dissolved in it and soak your clothing items. We recommend soaking your items for an hour or two for best results, although you can soak very dirty items overnight too.

Should you button shirts before washing?

How To Wash A Dress Shirt: Take time to ensure the shirt is entirely unbuttoned. Any buttons remaining clasped will lead to excessive pulling when in wash and will damage the shirt. Turn the dress shirt inside out as this will help with removing deodorant and perspiration stains from the underarm.

Is it okay to leave laundry overnight?

While it's best practice to place your garments in the dryer or on the clothesline right after the cycle finishes, it's perfectly okay to leave your wet clothes in the washer overnight, Martha says. "I mean, don't leave it for a long time—don't leave it for a week," she says.

Can I do my laundry at night?

If you have a quieter machine, have good insulation, or have a lot of space between houses then you may be able to get away with running your laundry machine late into the night. All in all, however, Itamar recommends avoiding laundry between the hours of 10 pm and 7 am to ensure a harmonious living environment.

Should you fill the sink when washing dishes?

FILL. Fill sink or dishpan with clean, hot water. Add dish soap to the water (read the label for dosage; some concentrated dish detergents require a smaller amount). Stack a few dishes in the sink at a time – this allows a few minutes of soaking time while you work on washing.

How long can clothes go unwashed?

Dress pants or slacks: after 2-3 wearings. Jeans: after 4-5 wearings. Sweaters: up to 6 wearings, if worn with an undershirt; 1-2 wearings if worn without an undershirt. Suits/blazers/casual jackets: after 5-6 wearings.

Can dirty laundry cause bugs?

When conducting an inspection, don't ignore the pile of dirty clothes in the closet or in a hamper. They could be harboring bed bugs. PMPs should check dirty clothes, where bed bugs sometimes like to aggregate.

How long do bacteria live on clothing?

Original data on the survival of bacteria, mycobacteria, and fungi and persistence of viruses on textiles were evaluated. Results: The survival of bacteria at room temperature was the longest on polyester (up to 206 days), whereas it was up to 90 days for some species on cotton and mixed fibers.

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