In cool mode
mode keeps the skin temperature at the best during the 3 stages such as, Falling Asleep Stage Sound Sleep Stage Wake Up Stage in order.
Falling Asleep Stage :
This stage supports the environment to quickly cool down. Together with comfortable intermittent air, you will be able to fall asleep quickly.
Sound Sleep Stage :
This stage helps users to take deep sleep and keep the healthy skin by controlling wavy temperature control and insensible air stream.
Wake Up Stage :
This stage supports comfortable intermittent air to the room to raise human body temperature for refreshing wake up.
Temp.
Set temperature
When the set time is over 8 hours, this section will be repeated.
Time(hr.)
The recommended temperature is set between 25°C and 27°C, and 26°C is the most ideal temperature for comfortable sleep.
Airflow blades (left and right swing) and fan speed are controlled automatically
as the above 3 stages in 
mode.
Set Off timer in 
mode over 5 hours. You feel disturbed sleep
if the 
is set too short or long because the basic off timer is set for 8 hours.
If the 
mode is set less than 4 hours, the operation will be stopped
after the set time. If the 
mode is set over 5 hours, it will run as Wake Up stage for the last one hour before stop.
In heat mode
The temperature decreases by 1°C every hour. After a decrease of 2°C, the temperature is maintained.
You can set the airflow blades (left and right swing) and fan speed separately
during 
mode.