Apple says it is working to quickly fix an issue that caused some iPhone alarms not to play a sound, giving their slumbering users an unexpected lie-in.Apple has confirmed it is aware but of the issue – but is yet to spell out what it believes is causing it, or what users can do to avoid a late start.Some TikTokkers suggested that if a slumbering user’s face were turned towards the screen of a bedside iPhone then, depending on the phone’s settings, the features could be activated and alarms silenced. What is your experience with iPhone alarm feature ?