89 times an hour for me ... We got it down to 18 and my Dr said all he can do ... My pdoc is still trying à hogpog of meds trying to get more than 4 hours of sleep a night ... So far no cigar ... Sleep and depression is my thing ... And it really sucks. .... Good luck ... Stick with the machine ... Try a different mask can make a lot of difference ... I am at 24 and a pillow is all I can use but just like bp everyone is different … ..