Shopping day and Mahjong night..

mi and janice went shopping whole day in kl ..from 2pm to 9pm..it's so tired le..and since we got nothing better to do after that..we planned to hav BBQ in my house..we then went to cousin's place to borrow the stol and my fren buy all the foods. we actually got all those cooked foods like bbq chicken wings and fish from hawker stalls..we just heat it up then eat..accept chicken cocktails.. we start our bbq session at 12am and ended at 1.30am..then we start playing mahjong..time flies..by the time we look at the clock it's already 5am..mom plays with us also..janice them was wondering..mom usually wake up at 5am ..but now she is going to sleep at 5am..what time will she wake up ar??