One night you fall asleep. Here's what happens.
You're watching Alice in Wonderland with your little sister on the sofa. Your little sister likes the film because she's called Alice.
It's half past nine at night, but you're really tired because you've been up since five in the morning. Your sister taps you. You push her away, but not hard because you're very, very tired.
You close your eyes for just a second, but when you open them again the film is almost finished. You get up, telling Alice that you're going to bed. You trudge up the stairs and open your bedroom door.
You are about to climb into bed when, suddenly, it slides away from you until it's out of sight.
You are faced with...