Scientists Create Gas Sensor To Help Track Your Sleep

Want to track the quality of your sleep? At the moment there are apps and wearables that can do that for you, but those usually base it on how often you toss and turn in your sleep, which in turn determines whether or not you are in a REM cycle. However a Finnish company by the name of VTT has developed a gas sensor that can be attached to your smartphone. So how will a gas sensor help with your sleep quality? Basically the idea is to try and measure if there are any substances in the air that m...