Is there anybody who can put this expression into others? "silence sets in"?

Question

Pls let me know other expression of ' the silence sets in'.

"Look... when the silence sets in and it will-- be proud of this.

You've done a great thing here."

Answer 1

...When the excitement is over as it inevitably is...

Answer 2

you asked:    "Look... when the silence sets in and it will--

When the silence sets in and it will begin introspection, a path to self realisation

Answer 3

When there is no sound but the beating of your heart

In the still of the night