Moreover, does alarm go off on Apple Watch?
If you set an alarm using the Alarms app, your Apple Watch in nightstand mode will gently wake you with a unique alarm sound. When the alarm sounds, press the side button to turn it off, or press the Digital Crown to snooze for another 9 minutes.
Subsequently, question is, will my alarm go off on my phone or Apple Watch? If you set an alarm using the Alarm Clock app on your watch, it will work even if the iPhone is disconnected (including when it is out of range or turned off). Alarms that you set on on your iPhone are not synced to Apple Watch.
Just so, why are my alarms not going off?
Set An Alarm Noise
If your iPhone alarm is not working, it's possible your alarm has been set to None. Open Clock and tap the Alarm tab at the bottom of the screen. Then, tap Edit in the upper left-hand corner and tap on the alarm that's not working. Make sure None isn't selected as the Sound.
How do I turn off the alarm on my Apple Watch?
If you've set an alarm via the Alarms app on Apple Watch, it will sound. To turn off the alarm, press the side button. To snooze, press the Digital Crown. Pressing the Digital Crown will snooze the alarm for 9 minutes.