Can't sleep

Alicia • Married since January 2011, had babe #1 in February 2015, and babe #2 Jan 2017
I've been on bed rest for about a month now, and I find it impossible to get any sleep. I can't take naps either. I may average 2 hours a night. My doc said I can take Tylenol pm, but even that doesn't help! Any suggestions?