Can I leave fan heater on all night?

　　There's nothing more comfortable in the winter than snuggling in your lazi while the heat is on in the room. But doctors warn that leaving the heater on all night can not only lead to sleepless nights, dry skin and irritation, it can even be fatal.

　　Sleeping with the heat on can put carbon monoxide levels in the room above safe levels. People with heart disease may experience chest pain, and smokers with heart disease are especially at risk, as are young children and the elderly.

　　The risk of suffocation (sleep death) is high when using a gas heater. Excessive carbon monoxide in the room can block the blood supply to the brain, leading to bleeding and eventual death.

　　Comfortable heaters can also cause dry skin and eye irritation. It can also lead to conjunctivitis in cases of dry eyes. Dry skin can cause itching, redness and irritation.

　　To get around this, if you're using a heater in the room, you can keep a cup full of water near it to keep the room hydrated.

　　Also, People with heart disease, asthma or the elderly should be very cautious when using a room heater.

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