I reckon i installed maybe 20 x 5.1 or 7.1 systems in Bedrooms when i worked in this industry. Within a month most (maybe all) ended up with wireless headphones installed as well because 5.1 or 7.1 does not float for a wife trying to get to sleep.
I guarantee I'll tell you the truth and I guarantee I'll tell you what you need to know but I can't guarantee that I'll be telling you anything you want to hear.