If you need to make the notification less appear at your notification bar or at the screen for your phone (IOS/Android),
Then please follow these steps with screenshots:
First for Android Users
From your phone go to the Settings
Then click on Notifications
If you have a search bar, you can search for the Sonohealth app or you can scroll down the apps until you find it.
Click on the app icon
Then allow notification and turn it off. (Usually, it should be as default)
Second for iPhone Users
Go to the settings,
Then click on Notifications.
If you want to turn off all the notifications from all the apps then click on show previews.
Then click on Never if you don't want to see any notification or When unlocked to see it when you unlocked your screen.
But if you want to disable the notification only at the app, then scroll down until you can find our app Sonohealth.
Click on it and disable Allow Notifications.
Hope that helps.
Stay safe and healthy!