In the documentary Little Miss Sleepy ... to sleep is sudden and overwhelming — more like a "sleep attack." Sleep paralysis: The temporary inability to move or speak, which happens when ...

Sleep paralysis is a feeling of being conscious but unable to move or speak. It happens when you pass between stages of wakefulness and sleep. [iStockphoto] Over the years, Simon Mwangi has been ...

You are fully conscious, yet you are frozen to the spot and unable to escape your sleep paralysis demon. So what is going on?