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Success Quote by Dennis Nilsen

"I don't lose sleep over what I have done or have nightmares about it"

About this Quote

The chill in Nilsen's line is its absolute ordinariness. No boasting, no gothic flourish, just the flat diction of a man filing his conscience down to nothing: sleep undisturbed, no nightmares, no inner theater of guilt. That banality is the point. It frames atrocity as something that either does or does not produce discomfort, as if moral reckoning were a side effect like indigestion. The implied argument is brutal: if remorse is merely a feeling, then the absence of feeling becomes a kind of exoneration.

The specific intent reads as self-mythmaking under the guise of confession. Nilsen isn’t only describing his inner life; he’s positioning himself as ungovernable by ordinary human sanctions. Prison, public revulsion, psychiatric diagnosis - all are made secondary to the claim that the one punishment that truly counts (the mind turning against itself at night) never arrives. It’s a flex disguised as neutrality, a way of saying: you can lock me up, but you can’t make me sorry.

The subtext is also defensive. By preempting the expected script of nightmares and regret, he controls the narrative and denies the audience the comfort of believing evil must be self-tormenting. Historically and culturally, serial killers often perform for attention, but Nilsen’s performance is colder: a refusal of the moral economy where suffering balances harm. The line lands because it weaponizes emotional vacancy, turning the absence of guilt into a final act of domination.

Quote Details

TopicMental Health
Source
Later attribution: Her Darkest Nightmare (Brenda Novak, 2016) modern compilationISBN: 9781472240965 · ID: 8PGpCwAAQBAJ
Text match: 95.00%   Provider: Google Books
Evidence:
... I don't lose sleep over what I have done or have nightmares about it . DENNIS NILSEN , MUSWELL HILL MURDERER Evelyn woke with a start . Oh God . . . where was she ? Heart hammering , she blinked rapidly , trying to peel away the ...
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Citation Formats

APA Style (7th ed.)
Nilsen, Dennis. (2026, February 8). I don't lose sleep over what I have done or have nightmares about it. FixQuotes. https://fixquotes.com/quotes/i-dont-lose-sleep-over-what-i-have-done-or-have-111502/

Chicago Style
Nilsen, Dennis. "I don't lose sleep over what I have done or have nightmares about it." FixQuotes. February 8, 2026. https://fixquotes.com/quotes/i-dont-lose-sleep-over-what-i-have-done-or-have-111502/.

MLA Style (9th ed.)
"I don't lose sleep over what I have done or have nightmares about it." FixQuotes, 8 Feb. 2026, https://fixquotes.com/quotes/i-dont-lose-sleep-over-what-i-have-done-or-have-111502/. Accessed 12 Feb. 2026.

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I do not lose sleep over what I have done - Dennis Nilsen
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About the Author

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Dennis Nilsen (November 23, 1945 - May 12, 2018) was a Criminal from Scotland.

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