How do I sleep?!?

Rachel
My preemie daughter just came home today after 3 weeks in the NICU, and I don't know how to do this, how do I not check on her every ten minutes? At least in the hospital she had monitors to tell me if something was wrong, now I don't have that. I'm exaihsted and would love to get sleep but I'd never forgive myself If something happen while I was asleep.