I think you're good.
You need to run ChkDsk given earlier to make sure nothing was messed up during partitioning. This will save you problems later. If it shows clean, then you did really good.
Can you remember how to reimage the HD using your DVD, from that Backup partition you made? If so, you'll never have to reinstall again.
Post another topic if you want to troubleshoot the sleep issue. It is likely related to the last step you took before it started being a problem again. It was waking fine before that, right?
You have learned more about advanced install and partitioning in the past 24 hours than 99% of people on earth.