Mystery of 'Sleep' reveals itself in stunning fashion First we trust the husband, then the specialist, and back and forth at least two or three times. The husband is a little weird and withdrawn, but he's played by Firth, and with him that's usually considered a good thing. [...] anyone might become weird having to reintroduce himself to his panic-stricken wife every morning. Looking back, every gesture makes sense and is consistent with the truth as revealed. Kidman, in particular, takes honors for her smart, unshowy work, conveying desperation with her eyes and terror in the way she refuses to trust anyone with her real emotion.