Check the OmniLife app within your phone's settings:
Go to your phone settings
Scroll down until you see 'OmniLife'
Click on OmniLife
Click on Notifications'
Make sure you have 'Allow Notifications' toggled on
Check OmniLife Settings within your app:
Go to OmniLife and login
Click on 'More' in the navigation
Click on 'Settings'
Click on 'Do Not Disturb'
Confirm that you have not turned on Do Not Disturb for 1, 8 or 24 hours
Check Message Room Settings:
Go to your list of rooms.
Confirm you do not have a crossed out bell icon next to a room you are expecting notifications.
Go to a room you are expecting notifications
Click on the info icon in the upper right hand corner
Confirm that the 'Mute room' toggle is turned off