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Context
Dreaming might be part of what makes sleep feel deep.
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In a lab study spanning 196 overnight recordings from 44 adults, researchers woke participants more than 1,000 times across four nights and found that vivid, immersive dreams tracked with a stronger sense of having slept deeply and rested, according to ScienceDaily on March 26. The result pushes against the tidy rule that more dream activity means worse sleep.