Imagine going to sleep and not waking up for several days.... or cooking a meal with no recollection of it afterwards. That's what Stephen Chapman, from Overton, had to face for many years until he was diagnosed with a rare sleep disorder.
Now he's trying to raise awareness and help others suffering from episodes of darkness. Juliette Fletcher has been to meet him and his wife Doreen.
For more information on Kleine-Levin Syndrome go to: http://kls-support.org.uk