It may exist silly to assume that your alert will still work if your phone is off, simply a lot of phones actually used to work this way. In fact, some Android devices withal do.

Volition My Warning Work If My Phone Is Turned Off?

Probably not.

Some Android phones offer a feature that automatically turns your phone back on at a certain time if you close it down before going to bed. The manufacturers that offer this feature vary profoundly, and it appears to exist sort of a dying characteristic at this indicate. If your telephone has it, you tin can find it in Settings > Scheduled Ability On & Off. Information technology's a pretty squeamish tool if you similar to shut your phone off at night.

RELATED: Will the Alert Work if Your iPhone is Off, Silent, or Practise Not Disturb?

Of grade, near people don't bother shutting their phones off at night before going to bed similar dorsum in the feature phone days. Most phones are lucky to go a single reboot once a calendar week. That said, if yous forget to plug in your charger (or your ability goes off overnight), your alarm can be a bit of concern.

So while your particular model of phone may accept a feature that automatically turns the phone dorsum on before the next alarm, it won't aid if you forget to charge your phone and it dies overnight. Y'all'll be left to wake upward on your own, which is pretty scary for nigh of u.s.a..

It's likewise worth pointing out that Android's "silent" settings tin be disruptive—while you lot can plough your ringer all the mode off, that only silences calls and (perhaps) messages. For true "silent" way, you'll need to use Do Not Disturb, which can sometimes be confusing on Android.

RELATED: Android'due south Disruptive "Practise Not Disturb" Settings, Explained

Will My Alarm Go Off if My Phone is In Practice Not Disturb Mode?

Maybe.

Android offers pretty granular settings when it comes to Do Non Disturb—you lot can choose whether or not to allow alarms through on most phones.

To check these settings, pull down the notification shade, and so find the "Exercise Not Disturb" icon (you may have to pull the shade down twice on some phones). Long-press that icon to become directly to its settings.

From there, you lot can set custom exceptions—similar allowing alarms to featherbed Do Not Disturb. The circumlocution and exact menus may be slightly different depending on your phone's manufacturer and version of Android, but if this dominion is present, it will be somewhere in the Do Not Disturb carte.

What About Other Reminders and Timers?

Timers and reminders (calendar events and the like) don't fall into the aforementioned category equally alarms on Android. Yous tin can specifically choose to allow or disallow reminders or events to bypass Do Not Disturb settings if you'd like.

This way, yous can choose to silence calendar events or reminders while Practice Not Disturb is on, but all the same permit alarms—or any mix of the 3.