Sleeping and leaving the fan on all night can be dangerous.

The typical heat of the Brazilian summer has not yet arrived in the country, but the recurrent high temperatures so far are a free sample to remember what sunny days are. As a way to soften the heat during this period, the fan and air conditioning are used much more frequently, especially at night.

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At bedtime, these appliances stay on all night when the person simply falls asleep. Of course, for the heat, it's only fair that this method be used. However, excessive use of the fan can be harmful to health.

At the time of sleep, it is ideal for the room temperature to be between 18 and 21 degrees. Even though this is the average, there are people who are a little more tolerant of heat. Therefore, leaving the fan on always seems to be an option to consider, but it does not mean that the room temperature will be within what is right for sleep.

A fan, whether on the ceiling, on the floor, near the bed or on top of some property, is almost an addiction. Refreshing people is one of the objectives, but in fact many people focus only on the noise, which is almost a lullaby. However, the sound that relaxes and makes you sleep can be a negative point for many people.

The fan running all night can cause these 5 risks

1. It can be a major cause of sinusitis, asthma and other respiratory diseases;
2. The nose becomes dry, causing headaches and nasal congestion;
3. When the nostrils are drier, germs can easily enter the body;
4. Air movement can move all the dust in the environment, and it also moves pollen. This is a risk factor for anyone who is allergic;
5. Air, too often, can cause muscle stiffness, eye irritation, and a dry throat.

In addition to being harmful to health, the fan on can mean high energy consumption, as well as the air conditioning that stays on for a long time.

The fan can run overnight under these conditions:

• Set times when the fan will be on and don't leave it running all day;
• Place the fan in a place with a gentle air current and keep it away from a person when they are sleeping;
• Keep the fan blades clean at all times, as this is important to prevent dust from spreading around the room.

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