Wearable ultrasound patch boosts REM sleep without drugs or surgery

Researchers led by the University of Texas at Austin have created a soft wearable patch that improved REM sleep in real-world testing without medication or surgery. Known as NEUSLeeP, the device combines gentle ultrasound stimulation with electrodes that track brain activity as it happens. This allows the patch to influence deep areas of the brain involved in sleep while also monitoring the brain's response.

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