Those Facebook messenger notifications pop-up sound after a while becomes annoying and aggravating to those of us who have been on Facebook for a long time. Muting your phone is not an option, what if you miss an important call or text message simply because of Facebook messenger notifications? Its going to hurt, right? Well, if you keep reading, you will find out just exactly how you can turn off notifications from Facebook messenger . FOR ALL CONVERSATIONS To turn off notifications for all your conversations: 1. Open your Facebook messenger application 2. Tap on this button at the top right hand of the page 3. On the screen that pops up, scroll down to Notifications & Sounds and tap on it. 4. On the screen that pops up, tap on Notification previews 5. Tap on it to turn off all Facebook messenger notifications and conversations See: 'Following me' is now the latest Facebook hoax How to delete facebook account permanently FOR ...