Irritating Mobile announcements

[Reel Nole]

I keep getting these transfer portal announcements and other updates on my phone and then repeats them same ones
1-2 months later. These are waking me at night which is not good. I need these to stop all together.

 

[RollingBallofButcherKnives]

I keep getting these transfer portal announcements and other updates on my phone and then repeats them same ones
1-2 months later. These are waking me at night which is not good. I need these to stop all together.

Disable audible notifications?