Can anybody throw some light on my concerns.
I am using the latest version of Sleepyhead to try to make sense of my readings. The AHI readings as displayed on my CPAP machine bear no resemblance to those shown in the daily readings shown in Sleepyhead.
Machine: Philips Respironics System One Remstar Pro with C-Flex+
Software: SleepyHead v0.9.3
Graeme, I changed the subject line to hopefully get you the help you need.
Apnea Board Moderator
Breathe deeply and count to zen.
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From the manual
AHI - The device accumulates individual Apnea/Hypopnea indices (AHI) for each session the patient used the device. This screen displays the average of these individual nightly AHI values over a 7 day and 30 day time frame (provided the device has at least 7 or 30 days of data respectively). If the device has only 5 days of data to use for the calculation, the 5 day average value will be seen under the 7 day display.