The hidden corners of the brain

This week we're going to start by looking at how a vaccination against the H1N1 virus may have triggered narcolepsy, a rare neurological disorder. An investigation into the possible links is underway. From an injection inducing sleep to a sedative taken to wake up, we'll be meeting a woman who spent years in a vegetative state before a sleeping pill resulted in a miracle awakening! Finally how getting into a cold bath could help you survive a stroke.