 Now, people with sleep apnea drop into the low 90s or even the 80s. And then you know. And also, it'll measure not only if you drop in a spike down, but also if you hang out down there. And now you have a way of measuring your blood oxygen levels and being able to tell whether you have apnea or not. Dr. Luper, we're over. Okay, let's cut off right there. Okay. Okay.