Sleep and His Half-Brother Death (1900) is an oil painting by the English Pre-Raphaelite painter John William Waterhouse. The two figures recline side by side on a low couch, beyond which are the columns of a colonnade open to the night and touched with moonlight. The interior is lit by a lamp, whose light streams on the foremost figure, Sleep, whose head hangs in heavy stupor on his breast, and his right hand grasps some poppies.