The University of Maine was recently issued a patent for a device that detects brain injury by measuring sleep movement patterns, reports Medical Express.

The invention is a fitted mattress sheet equipped with more than a dozen sensors that will allow it to gather information about a person’s sleep-wake and respiratory patterns while a person is sleeping in the comfort of their own home rather than in a sleep study facility. The SleepMove monitoring system has the potential to detect early symptoms of mild cognitive impairment and Alzheimer’s Disease.

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