United Kingdom, March 12 -- TikTok has unveiled a new mindfulness feature that will make teenagers go to bed.

Wind Down aims to make under-16s move away from the app before they get some sleep.

The social media platform has programmed the tool so that it will automatically turn on if a user is on the short-form video hosting app after 10pm.

As well as a full-screen takeover of the For You feed, it will play calm music to help the user to relax.

If a teen decides to spend more time on TikTok after the first reminder, it will display a second, harder to dismiss, full-screen prompt.

Push notifications will not be sent to teens at night.

The ByteDance-owned platform has also added a new parental control feature called Time Away to the a...