T.F.
Hi, sorry to hear of your situation. You deserve some time off!
You can try
www.craigslist.org or
www.babyzone.com
http://babysittersclub.meetup.com/cities/us/fl/lakeland/
http://www.babysitters.com/BabySittersByCity.aspx?state=F...
If there is a community college or gymboree (or child activity centers) check their bulletin boards or websites.
Hopefully this will get you started. Good Luck.
T.