1 hours after SLEEP mode starts,temp will become 2 ℃ lower than temp.setting.After another 1 hours,temp decrease by 2 ℃ futher. After more another 3 hours,temp. rises by 1 ℃ futher.
The unit will run for further 3 hours then stops. Temp.is lower than temp. setting so that room temperature won’t be too high for your sleep.