The time when the humidifier is turned on during sleep at night

　　The humidifier can be turned on while sleeping at night, but it is not recommended to turn it on all night. If the indoor humidity is within 60%, you can sleep with it on. If it exceeds 60%, it is not recommended to sleep with the humidifier on. The comfort level of the human body towards the air requires maintaining a certain temperature and humidity, as both high and low temperatures can cause discomfort.

　　1. Humidity within 60%: If the humidifier's humidification effect is weak, the indoor air is dry, and after the humidifier is turned on overnight, the indoor air humidity remains within 60% without any physical discomfort, then you can sleep with the humidifier on.

　　2. Air humidity exceeds 60%: If the humidity exceeds 60% after the humidifier has been turned on for a night, or if there is chest tightness, sore throat, joint pain, etc., it indicates that the air humidity is too high and it is not recommended to sleep with the humidifier on. It is best to turn on the humidifier for about 2 hours before bedtime and then turn it off while sleeping.

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