I’ve been sleeping all day and just wondering.
Nope.
Not if you have food stuck between your teeth.
I thought it was 3 brushings a day. Once after every meal. But if you were sleeping all day and didn’t eat, you can miss a brushing.
No, that just a rinse of the mouth not a teeth cleaning.
No. You have to get that crud out from between your teeth and remove the gunk from around your gums. Must not let that nasty plaque build up!
No
This is like asking, “Does spraying a car with the garden hose count toward washing the car with a soapy cloth?”.
No, but it is very good to do it.