Dreamless usually suggests deep, uninterrupted sleep, and it often implies positive restfulness as well. She hoped for a dreamless night after the stressful week.
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Literary Use
'Dreamless' is often used in literature to reflect peace or escape from reality, as in poetry or novels. The novel described the child's dreamless slumber in the enchanted forest.
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Metaphorically Speaking
Sometimes, 'dreamless' is used metaphorically to describe a situation lacking imagination or hope. They lived a dreamless existence, with no aspirations for the future.