He did not know which was more painful, the waking or the sleeping. When he slept, he dreamed: dark disturbing dreams of blood and broken promises. When he woke, there was nothing to do but think, and his waking thoughts were worse than nightmares.
George R. R. Martin (2012). “George R. R. Martin's A Game of Thrones 5-Book Boxed Set (Song of Ice and Fire Series): A Game of Thrones, A Clash of Kings, A Storm of Swords, A Feast for Crows, and and A Dance with Dragons”, p.527, Bantam