Has everything been OK with you lately?
I haven't been able to get a good night's sleep lately. I'm exhausted!
Have you been too busy to get enough sleep?
I try to go to sleep, but I just can't stay asleep.
How late do you try to go to sleep?
I go to bed when I finish my work.
Has anything in your day-to-day life been bothering you lately?
I am worried about how I am going to pay my tuition.
You might consider listening to relaxing music as you go to sleep to clear your head.
Doing something relaxing before I go to sleep sounds like a plan.