The Doctor and Clara arrive in the 38th century aboard a laboratory orbiting Neptune to discover only one surviving crew member, Professor Rassmussen.
But who are the mysterious sand-like creatures who are picking off the rescue team one by one? And what secret is Rassmussen concealing about his revolutionary sleep pods?
After the misguided comedy historical episode that was last year’s Robot of Sherwood, Mark Gatiss’s eighth Doctor Who story, Sleep No More, sees a return to the creepiness and claustrophobia of earlier efforts such as The Idiot’s Lantern, Cold War and The Crimson Horror.
It takes a look at an activity we spend more time doing than any other –… Read the full story