Overslept!

First time in my 5 months at work I overslept. Supposed to wake up by 6.30am and leave the house by 7.10am. I slept till 7am today. Jumped out of bed and rushed to my bathroom when my dad called me. All done within 15mins. Luckily wasn't late for work but I was a zombie in dreamland till lunchbreak. Tired.... I want to sleep in for the wkend but tomorrow have to work... sianz :(