Over here at CNET Home, we've tested the 13-Inch Hybrid luxury firm model ... they help the mattress transfer less motion from side to side, but not as much as something like a dense memory ...

Abstract: This article presents a self-powered piezoelectric wearable sensor (PWS) with motion recognition capability to harvest stepping energy during human movement by placing it in the sole. In ...

Currently it supports Light Bulb, Switches, Outlets, Fan, Garage Door, Shades / Blinds, Temperature/Humidity, Motion, Contact and Occupancy sensor, Air Quality, Smoke, Carbon Dioxide and Light Sensor.