So I spend some time doing syncing, adding images and stuff last night, so thr iPhone spent a good deal of time in the cradle. By the time I am done and go to bed, the phone is charged better than 90%. The phone spends all night in the cradle, attached to the iMac. I get up this morning, and the phone has a 20% charge, if that. Whats the deal? Does it stop charging in Sleep mode or something? How do you guys work around this?