I've been using the Eight "smart" mattress cover to track my sleeping patterns. I average about 9 hours of sleep. The quality of that sleep though (per their

I've been using the Eight "smart" mattress cover to track my sleeping patterns. I average about 9 hours of sleep. The quality of that sleep though (per their algorithm) varies greatly. Some nights I sleep really well, others, I toss and turn all night. I'm hoping to figure out why that is, using their "experiment" feature.