Hi prinseza :)
Welcome to the forum :)
Good that you improve your breathing while sleep paralysis, So When you are excited, you can take some deep breath. Taking deep breath while in sleep paralysis will help you to stay calm. So that you can get out of your body easily :)

...And a warm welcome from me, too!

Welcome to the forum! I think you need to deal with your stress issues first. To astrally project, you need to be both relaxed and in a state of inner harmony. The link Praveen gave should help. Best wishes to you!

Welcome to the forum and yes you will learn many things here

Welcome to the forum Jeff!

Welcome to this little corner of paradise Darryl