Isn't that sleep paralysis? I've experienced that many times myself, although it was when I was much younger, teens to twenties I reckon. It's quite common. Google it. 
Although, I will admit it's very unnerving.
Isn't that sleep paralysis? I've experienced that many times myself, although it was when I was much younger, teens to twenties I reckon. It's quite common. Google it. Although, I will admit it's very unnerving.