Hey guys I got an iPhone 4S and I'm wondering.. If I plug my iPhone in the iMac (mid 2011) when it's in sleep mode will it still charge it? I've heard people say it may drain the battery, and will not charge it, but when I do plug it in, it has the little bolt that shows it's charging, and when it's full charge even if I play games with the iPhone the battery stays at 100%. This is when my iPhone was already plugged in when i put the Mac in sleep mode.. However when I plug the iPhone in and the iMac is already in sleep mode, the iMac wakes up? Sorry if my english is bad it's my 2nd language . Thanks.