Thank you, but I'm looking for an automated solution that doesn't require the user to change that setting every night, because then the user must also remember to switch the sounds back on in the morning. Also, he always has the lock screen on.

Hello All, I am an Android user and am clueless about IPhones, but need a solution to something: My boyfriend's IPhone vibrates every time his facebook has activity, or every time he gets a text/email....and I'm a light sleeper, so a vibrating IPhone is not something I consider to be...