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Vivid dreams make sleep feel deeper - even when the brain is more active, suggests new research.
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An image depicting the experimental setup (the image shows on the left, a sleeping participant wearing the EEG cap and, on the right, the recorded EEG, EOG, EMG, and ECG signals during NREM2 sleep). (Valentina Elce via SWNS)
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(Photo by John-Mark Smith via Pexels)
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(Photo by Artem Podrez via Pexels)
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(Photo by Ron Lach via Pexels)
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