I'm practically an insomniac and when I do sleep, I sleep fairly light. I have always manually sniped my auctions. I knew of these services, but wasn't sure of the reliability.
I have experienced the frustration of trying to buy something and my connection dropping out on me. I tried to bid on an item via my phone while at a theme park and stupid network or interference blocked me. I was so damn pissed off.
Ok, I will try this out and let you know. To echo something mentioned here, if it doesn't work, will have to look for a swift fellow as well.