Normally. You put your sound processor in dryer (dehumidifier) or case and go to nap/sleep.
On the beginning - squeals and chatter which get more shape and feature of normal sound during rehabilitation.
I recommend my 2 post and topic where they are:
There is a pretty accurate “roadmap” of rehabilitation. However, take it with a grain of salt.
Some people gain speech understanding quickly (especially, e.g., recently deafened individuals), while others gain it slowly. It is not a competition, and there are many variables to consider.