K.R.
I don't know about the DVD's, but I don't think 5 mos. old is too young to sleep through the night. My oldest started sleeping through the night at 6 wks. and the second one was 12 wks. I kept her in our room till she slept through the night so she wouldn't wake the other one. Now my last one is a totally different story. He just turned one and just recently learned how to sooth himself back to sleep. I am sooo thankful I get my sleep back. My kids are 8,4, and 1