tired morning

it's normal, just to be safe, don't sleep when teacher still teaching or they will mad. :D

I hope you could sleep in between

Good luck in class.

I think you had too much on your mind. this keeps me awake at night sometimes. However you may also have been overtired and that's why you couldn't sleep. It is more sensible to go to bed at a good time and then wake up eraly to finish whatever was left from last night. You will be fresh then and able to work and have some enthusiasm to take your class afterwards.

I do not blame you, It is not easy..hope you get good sleep

Of course, for you sleep late. Don't do it often.

listen to your body sleep . When I feel sleepy I sleep.