Do you power off you iPod/ iPhone at night?
No, but you still have to power off every now and again to allow software updates to be applied at power on... I think
You don't have to. It doesn't hurt it to leave it on. I just have it charge all night
If u want it saves battery but i left mine on sleep mode when i had it and charged it
I leave mine on. Just plug it in while you sleep so when you wake up, you're all charged and ready to go!!!;-)
No I don't. But I did hear that your iPhone charges 3x faster when it's turned off.