Sleepless nights

Well it has been really hard these past few days and nights. I haven't got any sleep at all. I have no idea why I just can't dose off. I've tried taking naps that doesn't work I've tried drinking hot teas also sleeping pills but nothing has worked. I'm getting really annoyed since I need to get some sleep especially now that I have my son home all week from spring break and he's going to want me to take him out some where. What am I going to tell him that I can't cause I'm really tired I don't want to break his heart that I can't take him no where. So if anyone has any suggestions that would really help to get some sleep I would really appreciate it :) !!!