Bedroom air conditioning dehumidifies for a long time, which is harmful to human body. 1, long-term air conditioning dehumidification mode will lead to low indoor air relative humidity and rapid water loss. Need to replenish water in time. 2. The air conditioner only turns on the dehumidification mode when dehumidification is needed, and it is meaningless to turn on the dehumidification mode when dehumidification is not needed. 3, dehumidification, air conditioning will generally take the initiative to open for a period of time, stop for a period of time, in order to achieve the purpose of condensing water in the air. 4, this will have a side effect, that is, the number of indoor temperature changes will be more. People have poor adaptability to sudden temperature changes during sleep, and dehumidification mode is more likely to catch a cold. 5. It is suggested to use refrigeration mode and adjust it to a higher temperature of 26℃ or above. Turn on the sleep function and blow the air deflector of the air conditioner flat. Don't blow people directly.