Thanks For Meditating With Me:
Select the Profile icon > Settings > Thanks For Meditating With Me > Disable messages only or entire feature.
New Messages:
Select the Profile icon > Settings > Privacy & Messaging.
Group Notifications:
Select the individual Group > Information tab > Scroll down > Turn Notification functions on/off.
New content uploaded by Teacher's you follow:
Select the Teacher's Profile > Tap the bell icon to turn push notifications on/off.
DISABLING ALL NOTIFICATIONS FOR INSIGHT TIMER
On iOS devices: Launch iOS settings > Notifications > Locate Insight Timer > Disable Notifications.
On Android devices: Launch Android > App Manager > Locate Insight Timer > Disable Notifications (This may vary depending on the device type).