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English definition of “sleeper”

sleeper

noun (PERSON)    /ˈsliː.pər/ US  /-pɚ/
a good/heavy/light sleeper someone who sleeps in the stated way: I'm a light sleeper - the slightest noise wakes me. You won't wake him - he's such a heavy sleeper.Sleep and sleeping
(Definition of sleeper noun (PERSON) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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