Little one sleep program

I wanted to ask you guys if any of you have purchased this to help your LO to improve her sleep? I am miserable right now.. my baby wakes up every single hour every night and naps are inconsistent..sometimes i get a 30 mints nap other times it's only a catnap for 5 minutes or so. I am so desperate right now. I need my sleep back..please let me know if you have used any sleep program that helped you..i'll really appreciate your comments. Thanks!