Brothers and sisters, it's day 1 of nose surgery.

Hello, this is the 1st day of nose surgery, so I am leaving a message
 because I am curious
 about 1. They say I will be dressing tomorrow, does that mean removing cotton?
 2. How does everyone brush their teeth
 (I finished the surgery this morning and ate only porridge for lunch and dinner, so I couldn't open my mouth, so I just gargled)
 3 .I have my nose blocked with cotton right now, but it feels like
 the back of my nose is full of snot? I have a cold and
 it feels like a stuffy nose that I can't get rid of or eat.
 Is this okay?
 4. I heard that taking a light walk after surgery is helpful, but
 on the other hand, I was told not to shake the implant due to vibration. What is correct?
 5. If you tilt your head back in a hair salon style, you will start to bleed. Is this okay?
 I'm still in my 2nd lab so I can't reply, but
 I have so many questions so please post and
 let me know if you have any other useful tips!!