Is it safe to run appliances overnight?

Author: Miss Lori McCullough  |  Last update: Monday, November 10, 2025

“We advise consumers not to run appliances like a dishwasher overnight, and to be cautious about others, even recharging a cellphone overnight,” said Scott Wolfson, of the federal Consumer Product Safety Commission.

Why shouldn't you run appliances at night?

I say to others don't run appliances while you're sleeping or not at home because fires can happen,” Anderson told Kennedy News. “It's easy to think, 'This won't happen to me, I don't want this to happen to anyone else.

Is it okay to run a washing machine at night?

'Don't leave the washing machine, tumble dryer or dishwasher running overnight or while you are out. They are a fire risk because of their high wattage, friction and motors. '

Can I leave my washing machine running overnight?

Washing machines, dishwashers and tumble dryers are all fire risks...so you shouldn't run them overnight... I do know of a family whose dishwasher caught fire overnight and they lost everything - and it was just the 'finished' indicator light on at the time.

Why shouldn't you run your dishwasher at night?

  • Fire Risk: Dishwashers are designed to be safe, but any appliance poses a potential fire risk.
  • Water Leaks: If your dishwasher has a history of leaks or if the hoses are old or damaged, running it overnight could lead to water damage.
  • Noise: Some dishwashers can be quite noisy, which might disrupt your sleep.

Does Switching Off Appliances On Standby Save Money?

Is it safe to leave dishwasher on overnight?

Turn off and unplug electrical appliances unless they are designed to be left on – like your fridge or freezer. Don't leave the washing machine, tumble dryer or dishwasher on overnight and unattended.

What is the best time of day to run appliances?

Electricity is often cheaper late at night or early in the morning, so you can save on your electric bill if you run your heaviest loads during those times. These are typical off-peak hours when not as many people are using electricity.

Can I leave my dryer on overnight?

You should never leave appliances on when you're out. Lots of people think it will never happen to them, but we attend around 115 fires each year caused by domestic appliances. That's about two every week.

Can you run 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 run my dryer at night in my apartment?

If you live in a detached house with ample distance between you and your neighbors, doing nightly laundry won't likely bother anyone. In contrast, if you share walls in an apartment or condo, it's in everyone's best interest to stick to daytime laundry hours.

Is it safe to do laundry at night?

Is it safe to do laundry at night? Relatively speaking, it is safe to do your laundry overnight, but experts generally warn against it as your machine could pose a fire hazard.

When should you not run the washing machine?

“In general, most electric utilities will have a peak in late afternoons/early evenings during cooling seasons—typically June through September, driven by air conditioner use in homes and businesses—so avoiding laundry in those times would be best,” says Becky Williamson of Memphis Light, Gas & Water.

Is it OK to leave washing out overnight?

It's entirely up to you exactly when you hang the washing out - if you need to leave early in the morning, you can hang it out while it's still dark. Nothing bad will happen! In fact, in the summer you can even hang the washing out before you go to bed so that it's all ready for the sun as soon as it comes up.

Are you allowed to use washing machine 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.

When should you not run appliances?

Avoid using major appliances during peak energy-use hours from 3 p.m. to 10 p.m. Run your dishwasher and clothes washer only when full. If you have air conditioning, run it overnight at 72° and in the morning to pre-cool your home. From 3 p.m. to 10 p.m., make sure to set it to no lower than 78°.

Should you unplug everything at night?

The same applies if you plug a phone in to charge and the battery is full in two hours. Leave it plugged in and charging while you sleep through the night and you'll be paying for electricity that's doing nothing. So it saves to turn most devices off at the plug socket, or unplug them altogether.

Is it OK to leave washing machine on overnight?

Don't leave the washing machine, tumble dryer or dishwasher running overnight or while you are out. They are a fire risk because of their high wattage, friction and motors.

What are the best hours to do laundry at home?

Take a look at your energy account and check your tariff rate. Most people will see that they have a lower tariff overnight, usually between 11 pm and 7 am. This is the best time to do your washing as you'll save money. Saving money on electricity is only part of the equation.

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.

Is it safe to run appliances at night?

“We advise consumers not to run appliances like a dishwasher overnight, and to be cautious about others, even recharging a cellphone overnight,” said Scott Wolfson, of the federal Consumer Product Safety Commission.

What happens if a dryer runs all night?

It is not recommended to leave a dryer running at night or when you are not at home. The risks of fire and overheating are too high, even though it does not happen very often. It is always better to be present when using household appliances that could pose a potential risk.

Can you go to sleep with a dryer running?

While this unattended dryer cycle might have been a success, experts say that's not a habit to get into... ever. Running the dryer while you're not home, and even sleeping, can be extremely hazardous. Like, burning your house down hazardous.

Can I run my dishwasher overnight?

Make sure your smoke detectors work and change the batteries. Don't run appliances like dishwashers, washers, or dryers at night while asleep. It's not worth it."

Is it cheaper to run appliances overnight?

By taking advantage of lower rates on nights and weekends, you can avoid higher weekday rates when energy resources are in demand. TOU-D-4-9PM - Better for customers who stay up late.

What uses the most electricity in a home?

Heating and cooling: 45-50%

The largest electricity consumer in the average household is your heating and cooling appliance. By a long shot. Central air conditioners and heaters use tons of energy in order to keep your home set to the right temperature.

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