 But this is really a big thing to track your sleep. So it's got sleep tracking. It's got skin temperature monitoring. It's got this new energy score, which all of these rings are doing kind of this like energy score. Aura has it. The AmazeFit has it. But that's kind of a score of your day. So how are you doing? And this is looking at your sleep, your activity, your sleeping heart rate, and your sleeping heart rate variability to let you know how prepped you are for your day. So if your score is a little low...