Ever get annoyed when your sleep is interrupted by a call or message coming into your phone. As we were hoping, iOS 6 is getting the badly needed Do Not Disturb feature we first saw in Mountain Lion last month. The idea is simple: when activated, push notifications will be automatically muted and the screen won't light up. A whitelist option will be available so you won't miss important callers; you can also set up the feature so that if a person calls you more than once, the phone will allow the call to come through.
Engadget, iOS 6 offers Do Not Disturb feature, adds more Zs to your slumber
