If you don't hear your alarm clock, then you'll oversleep.
If you oversleep, then you won’t have time to get ready.
If you don’t have time to get ready, you'll be rushing in the morning.
If you rush in the morning, you might forget to grab your backpack.
If you forget your backpack, you will have to go back and get it.
If you go back and get it, then you won’t leave your house on time.
If you don’t leave your house on time, then you will be late to school.
If you're late to school, then you'll be late to your first class.
If you're late to your first class, then you'll miss the instructions for homework.
If you miss the instructions for the homework, you won't know how to do your homework.
If you don't know how to do your homework, you will stay up all night trying to figure it out.
If you stay up all night, you won't get any sleep.
If you don't get any sleep, then you'll be tired in the morning.
If you're tired in the morning, then you will sleep in late.
If you sleep in late, then you'll miss your alarm clock.