Chinese scientists have introduced an intelligent pillow that monitors the quality of sleep.
The pillow does not need to be charged: it converts friction and mechanical energy into electricity. That is, every movement of a person charges the pillow a little.
The pillow consists of flexible porous polymer electrical layers. All of them are placed on top of an ordinary pillow, that is, in theory, any pillow can be made smart.
When the head changes position, the pillow tracks its position. The sensors are able to recognize even light touches, so the head turn map should be accurate enough.
The scientists believe that such pillows could be used not only to monitor sleep quality, but also to monitor patients with neck problems or as a warning system for those who frequently fall out of bed.
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