While the jury may still be out on what dreams mean, we do know that most people experience this strange phenomenon nightly while they sleep — and that it’s often during a stage of sleep called rapid eye movement, or REM sleep.
References
Andrillon, T., et al. Single-neuron activity and eye movements during human REM sleep and awake vision. Nature Communications.
Eunice Kennedy Shriver National Institute of Child and Health Development. (2019). What happens when you sleep?
National Institute of Neurological Disorders and Stroke. (2023). Brain basics: Understanding sleep.
University of California, San Diego, Department of Psychology. (2009). Let me sleep on it: Creative problem solving enhanced by REM sleep. American Association for the Advancement of Science.
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