Just to add to my previous comment I've now noticed an issue with wifi. Never before have I had to reboot my router, I know from the management panel that it has a limit on the wifi devices attached to it.
Since the ios7 update I've had to reboot the router twice.
I can only think that every time I awaken the iPhone it's effectively connecting as a new device and therefore being allocated a new ip address on my network.
This may also be at the root of the bluetooth problem, that it is effectively seeing it as a new device. I recently came to this idea because I had paired my phone to the speakers but placed the music on pause, did a few things & the phone went into lock mode, I then switched my laptop on and it immediately paired with the speakers, which it shouldn't normally do. So it does make you wonder "what's the point of having a bluetooth headset, carphone etc. if the phone forgets its connection as soon as it's in lock mode"
Apple if I've solved your problem I'd like to remind you I work on a commission basis !!