These wearables are a significant step up in every department compared to previous Wear OS watches.

you’ve got the option to achieve this by reducing the screen timeout to 15 seconds.

Now, the display of your Wear OS smartwatch will turn off after 15 seconds of inactivity.

Samsung Galaxy Watch 4 classic on the wrist

Image Credit:Samsung

This small change is unlikely to bother you and will help extend the watch’s battery life.

But the motor can also sap a lot of battery power.

You should also disableSystem vibrationfrom the Vibration menu.

Samsung Galaxy Watch 4/5 Settings menu

This will reduce the usage of the vibration motor, thereby extending the battery life of the wearable.

That will not only disturb your sleep but could also irritate your partner.

This will ensure the display does not automatically turn on when you are tossing in your sleep.

Always On Display toggle on the Samsung Galaxy Watch 4

All other health sensors continue to work uninterrupted as they collect important health data through the night.

To do this, head to the Wear OS options menu and selectAdvanced features > Bedtime mode.

From here, enable theTurn on as scheduledtoggle.

Samsung Galaxy Watch 4/5 screen timeout menu

The mode will now automatically sync to your phone’s Bedtime schedule.

you’re able to suspend the mode by tapping the Quick tweaks tile again.

Another more convenient way is to say, “Hey Google.”

Samsung Galaxy Watch 4/5 Sound and vibration settings menu

The problem is that this feature keeps the microphone on your smartwatch switched on.

This hurts battery life and drains a lot of juice.

Instead, it makes more sense to map Assistant to one of the buttons on the watch.

Samsung Galaxy Watch 4/5 vibration intensity settings menu

Use Power Saving Mode

Want to extend your Wear OS smartwatch’s runtime to the maximum?

Use the built-in Power Saving mode.

Alternatively, jump intoSettings > Batteryand enable thePower savertoggle from there.

Bedtime mode toggle in Samsung Galaxy Watch Quick Settings panel

You should also learnhow to manage notifications on your Wear OS smartwatchbetter.

Fewer notifications will help extend the wearable’s battery life.

Bedtime mode screen on Samsung Galaxy Watch 4/5

Wear OS 3 Google sub-menu in Settings

“Hey Google” setting on Samsung Galaxy Watch