what time

I cannot sleep past 7.30 am on a weekend, as my kids will wake me up for milk and breakfast. They sleep early at 9 to 9.30 pm every night and they will wake up at 7 to 7.30 am. The next thing they do was calling for me from their room, they will keeping calling till I had to get up and make breakfast and milk for them. After that I will try to get back to sleep for another 1 to 1.5 hours before they ask for the next round of food or other things.

i have a lie in till about 12pm on a weekend as monday-friday i am awake early at 7am to go to college

i normally wake up at at midday especially during the summer. i stay late til the morning. obviously, i had an inverted sleeping pattern during the summer.