 Very commonly, but it's much less, less common than obstructive sleep apnea, which is what we all know about. Now, what have we done over the years to fix it? We talked about CPAP and BiPAP machines. I get it. There's also breathe-right strips. People try to put those breathe-right strips on their nose. There's actually devices that you can shove up each nostril that expands or opens the nostrils so that you get more air in.