Is it bad to sleep next to a dehumidifier?

Author: Nathen Bechtelar  |  Last update: Sunday, September 14, 2025

Yes it is perfectly safe to sleep in the same room as a dehumidifier. If you are particularly interested in a dehumidifier for the bedroom the noise level will be particularly important to you.

Is sleeping with a dehumidifier on bad for you?

It is perfectly safe to sleep in a room with a dehumidifier, although you should make sure to set the machine to turn off once your desired humidity level has been reached. A room with too low a humidity can lead to respiratory illnesses and discomfort.

How far should a dehumidifier be from your bed?

Place your dehumidifier at least 3 feet away from your bed. Dehumidifiers should be placed at the right distance away from your bed to avoid any health risks, such as dry skin and eyes.

Is it okay to sleep with a humidifier next to your bed?

Best place to put a humidifier in your bedroom: A few feet from your bed. To keep the air from getting too dry at night and help aid with congestion, dry skin, allergies and more, keep your humidifier a few feet from your bed.

Can a dehumidifier cause health problems?

Health Hazards of Do-It-Yourself Dehumidifiers

Not so bad, right? Here's the catch: over time, long-term exposure to calcium chloride and its dust can cause lung damage, as well as other respiratory issues in the nose and throat. It can also cause skin irritation and contaminate clothing.

Is it safe to sleep with a dehumidifier in the room?

What are the symptoms of humidifier sickness?

Under appropriate exposure conditions susceptible individuals may succumb to an episode of humidifier fever, an influenza-like illness with pyrexia and malaise as the main symptoms, but cough, chest tightness, dyspnoea and weight loss may also be seen.

Should you leave a dehumidifier on all night?

'Models that also feature an auto-cut off and auto defrost are great too if you're using it for extended periods,' Marc says. So there you have it – it's absolutely safe to leave a dehumidifier on overnight.

Is sleeping with a humidifier good for your lungs?

The short answer is yes: it is healthy to sleep with a humidifier in your room. Sleeping with a humidifier can have several health benefits, even if you don't have asthma.

Where should I put a dehumidifier in my bedroom?

It's important to consider a position in the room where it will be exposed to good air circulation - that is, ideally not in a corner or an alcove.

When should you not use a dehumidifier?

Dehumidifiers are not very effective in extremely low temperatures. This is because dehumidifier coils attract water vapor, and if the temperatures drop too low — below 42 degrees Fahrenheit for example — the vapor would freeze, damaging your machine.

Can a dehumidifier dehydrate you overnight?

Can a dehumidifier dehydrate you? This is extremely unlikely. For this to occur you would have to be kept in a small sealed room with a large capacity dehumidifier for a prolonged period.

What are the disadvantages of a dehumidifier?

Cons of Dehumidifiers

Dehumidifiers collect water meaning they need to be regularly emptied. They also need to be regularly cleaned otherwise black mould can start to grow on the machine , which can induce a wide range of health problems including allergic reactions, lung problems and irritation.

Do dehumidifiers use a lot of electricity?

The bigger the dehumidifier (and the higher the wattage), the more watts it'll generally use. Large ones can use up to 500 watts, while the smaller models usually only use about 22 watts. All of these factors can also impact your dehumidifier's energy use.

What happens when you dehumidify a room too much?

Leaving your dehumidifier on all the time can result in dehumidifying too much, leading to a dry indoor environment. It can cause dry air, leading to respiratory issues, dehydrated skin, and static electricity.

Is it OK to leave a dehumidifier on 24 7?

However, we always recommend leaving your dehumidifier running 24/7 [see below]. It will turn on and off as needed (depending on the relative humidity level) and therefore continuously prevent condensation." See what our experts say about what size dehumidifier you need.

Is it safe to sleep close to a humidifier?

Running a clean humidifier while sleeping is quite useful and safe because it moisturizes the skin, mouth, and throat. However, it is critical to keep humidity levels in the air below 30 percent. Humidifiers require cleaning at least one time a week. Additionally, you must empty, rinse, and dry the base and tank daily.

What does a dehumidifier do for your health?

Using a dehumidifier effectively cleans the air, reducing the number of asthma and COPD triggers by taking out excess moisture, minimising exposure to the growth of allergens, bacteria, and other pollutants in the air that affect breathing.

How do you know if you have humidifier lung?

Although humidifier lung presents with cough, dyspnea, and fever, as in other phenotypes of HP, it can also present with different clinical features, including lower serum KL‐6 levels, ground‐glass opacities without centrilobular nodules on CT, and high CD4/CD8 ratio in BALF, alveolitis without granuloma, compared with ...

Is it safe to sleep next to a dehumidifier?

Yes it is perfectly safe to sleep in the same room as a dehumidifier.

Where not to put a dehumidifier?

Keep Your Dehumidifier Away from the Walls

It's easy to assume the best place to put your dehumidifier is against the wall. But it's not! Dehumidifiers suck in and expel air using vents. Blocking any of these vents can reduce your dehumidifier's effectiveness.

Should my dehumidifier be full every day?

As a general rule of thumb you may need to empty your dehumidifiers bucket at intervals ranging from once every two days to twice a day, depending on the conditions.

Why do I feel sick after sleeping with humidifier?

This mainly can cause problems for people with asthma and allergies. But dirty humidifiers can be trouble even for healthy people when they release mist or steam tainted with bacteria or fungi into the air. That may trigger flu-like symptoms or even lung illnesses.

Can a dehumidifier cause sinus problems?

While the sensible use of a dehumidifier can help avoid the unhealthy effects of high humidity, it is equally important not to go overboard and set the humidity level too low. Very low relative humidity can cause health problems such as dry skin conditions, irritated sinuses and throat, and itchy eyes.

Can you use tap water in a humidifier?

While tap water is a convenient and seemingly inexpensive option for your humidifier, its high mineral content could pose significant issues. Opting for distilled or purified water can help avoid these problems, ensuring your humidifier functions efficiently.

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