Sarah is a narcoleptic who has dreams so vivid she mistakes them for real events; Robert has had his life changed for ever by the misunderstandings arising from her condition; Terry, the insomniac, spends his wakeful nights fuelling his obsession with movies; and the increasingly unstable Dr Gregory Dudden sees sleep as a life-shortening disease which must be eradicated . A group of students sharing a house. They fall in and out of love, they drift apart. Yet a decade later they are drawn back together by a series of coincidences involving their obsession with sleep - and each other ...