$ 0 0 I've not heard of Kleine-Levin Syndrome before, this story is absolutely fascinating. I wonder if it is related in some way to Narcolepsy. Gemma Garfirth stays fast asleep for long periods – her mother has to wake her up to feed her before she nods off again. She has Kleine-Levin syndrome, a rare, incurable condition that could have inspired one of the most famous fairytales, writes Joanna Moorhead