Robert Mueller 
If you’ve ever had your iPhone alarm go off unexpectedly, you’re not alone. This glitch has been affecting users for years, and it seems to be related to the device’s clock.
There are a few things that can trigger the alarm glitch. One is setting the time ahead or back by more than an hour. Another is changing the time zone. And finally, if you manually turn off the alarm (instead of letting it go off on its own), that can also cause the issue. If you’re affected by this glitch, there’s not really a way to fix it. The only thing you can do is make sure that your alarms are set correctly and hope that the glitch doesn’t happen again.
why is my alarm so quiet
There could be a few reasons why your alarm is quiet. One is that your volume is turned down low. Another possibility is that your iPhone’s ringer is set to silent mode. To check if this is the case, go to Settings > Sounds. If the switch next to Silent Mode is turned on, that’s probably why your alarm is quiet. Just turn the switch off and your alarm should be back to normal.
Another possibility is that your alarm is set to vibrate only. To check this, go to Settings > Sounds > Alarm. If the Vibrate on Ring switch is turned on, that’s why your alarm is quiet. Just turn the switch off and your alarm should be back to normal.
iPhone alarm goes off in the middle of the night
There could be a few reasons why your iPhone alarm goes off in the middle of the night. One is that you accidentally turned on the alarm. Another possibility is that your iPhone’s clock is off by a few minutes or hours. If this is the case, the alarm will go off at the incorrect time. To fix this, go to Settings > General > Date & Time and make sure that the time is set correctly.
Another possibility is that you have an app that uses notifications and it’s set to go off in the middle of the night. To check if this is the case, go to Settings > Notifications and see if there are any apps with notifications turned on.
Alarm not silenced, wakes up the whole house
If you’re using the default iPhone alarm, there’s not really a way to silence it. Once it goes off, the only thing you can do is turn it off manually. However, there are some third-party alarm apps that have a silence feature. So if you’re looking for a way to silence your alarm, you might want to try one of those apps.
Another possibility is that your iPhone’s ringer is set to a high volume. To check this, go to Settings > Sounds and make sure that the volume is not turned all the way up. Yet another possibility is that you have an alarm that’s set to repeat. If this is the case, the alarm will go off every day at the same time. To fix this, go to Settings > Sounds > Alarm and make sure that the Repeat switch is turned off.
Steven Schuster 
Maynard Coffman 
