Neurologist Alejandro Iranzo: Sleeping is like a recycling bin with memories that you store or throw away'

REM sleep behavior disorder can reveal the first signs of Parkinson's. People with this disorder can move during nightmares, and later develop Parkinson's disease or dementia.

Sleep plays a critical role in health, with the onset of diseases like Parkinson's sometimes manifesting through sleep disorders rather than traditional symptoms.

There is a lack of sleep epidemic, with a significant portion of the population not getting the recommended 7-9 hours.

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