What was Radiohead's sixth studio album that was influenced by alternative rock instrumentation with drum machines, synthesisers, and digital manipulation and featured the single "Go to Sleep"?
Go to Sleep: , commonly referred to as "Go to Sleep", is a song by the English rock band Radiohead, released as the second single from their sixth studio album "Hail to the Thief" (2003) on 18 August 2003. Hail to the Thief:  Following "Kid A" (2000) and "Amnesiac" (2001), which incorporated jazz, classical and electronic music influences, "Hail to the Thief" combines alternative rock instrumentation with drum machines, synthesisers, and digital manipulation.
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