This sound is called snoring. It happens when a part of your nose relaxes a little too much and it starts to vibrate.
You can hear things when you are sleeping. For instance if while you are asleep, someone makes a loud noise, this will wake you up. You must therefore have heard the noise while you were asleep.
The loud stomping noise coming from upstairs is likely caused by someone walking heavily or running on the floor above.
Pretty loud breathing Breathing and sometimes snoring.
Make a loud noise, talk to it, however, I would not recommend walking behind it or touching it as it may strike at you.
The cv shaft
Loud and sustained or repetitive noise.
A noise that is 55 decibels loud is considered moderate in volume.
VERY loud.......
Yes, 69 dB is considered moderately loud for a tumble dryer. This level of noise may be bothersome to some people, especially if the tumble dryer is located near living or sleeping areas. Consider placing a noise dampening mat under or around the dryer to reduce the noise.
roar really loud noise
Yes, cats' ears are sensitive to loud noise. Loud sounds can startle and stress cats, and prolonged exposure to loud noise can potentially damage their hearing.
When they are sleeping put a table over there head and make a loud noise which wakes them up causing them to smash there head on the table :)