Dream one: How it started

My name isn't something you need to know right now, just lay down...
And sleep!
...
Don't find it odd if you see me there, either way you're bound to forget.
"with a touch of a forehead while you're asleep I can easily make my way into your head, of course you wouldn't know unless you're fortunate to remember.
Dreams are handy and I can finally know things you've been hiding, I'm happy I was born with this ability, but how will I use it?
....
Read on to find out!