https://www.cnet.com/news/philips-sleep-sensor-aims-to-stop-snoring-ces-2019/

Philips doesn't exactly explain how it accomplishes this, but claims it's "natural, non-invasive, comfortable and effective." 

We've tested quite a few smart sleep gadgets but haven't come across anything quite like this Philips device before. Sleep Number's 360 bed has a feature that raises one side of the bed to stop you -- or your partner -- from snoring.