At school at the time, she was falling asleep in her exams. She was diagnosed with a chronic sleep disorder called narcolepsy as well as a linked condition called cataplexy a sudden muscular weakness that is triggered by strong emotions in Bella’s case, laughing. Now 24, it means she often ends up taking naps on nights out and has to catch up on some sleep on her breaks at work. It can often lead to dangerous situations, like when she was swimming on holiday and giggled while in the pool, causing...