Some users opting to update their iPhone’s operating system overnight have noticed the process turns off any alarms they have set, Apple Insider notes. Overnight updates became available starting with iOS 9.0 and Apple addressed some problems with alarms in its iOS 9.0.1 release, but users began reporting the overnight alarm bug after last week’s iOS 9.1 update. Users have taken to Twitter to complain, but so far Apple hasn’t publicly…