When you are performing an action or activity, only to awake hours or days later in a totally different location, sometimes not remembering what you were doing before the Sleep Rape.

When you wake up to the sounds of your roomate having sex while you are in the room. The roomate and their partner(s) are usually very loud and inconsiderate. They also know that you are in the room when they start having sex.

Where sleep sneaks up on you and takes you without your will, usually whilst you are otherwise engaged.

N.B. This is different to sleep rape