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AHI chart in Sleepyhead Overview disappeared
When I open up Sleepyhead Overview I can no longer see the AHI chart which used to be at the top always. It's not moved down to a different position on the page, it just isn't there anymore. What could have happened and how do I get it back?
I think I did resize the different charts at some point, making them a bit narrower to get amore efficient screen shot of the overview data, but that was with the AHI chart in place.
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Go to File/Preference/Waveforms and be sure apnea hypopnea index is checked in Overview (right column).
You may need to Rebuild data.
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Also look in the lower right of the screen and see if "Event Flags" it is marked red, If so, change it to green.
Useful Links -or- When All Else Fails:
Posting SleepyHead Charts in 5 Easy Steps
Robysue's Beginner's Guide to Sleepyhead
Apnea Helpful Tips
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Ok,I did this now and it was checked. I unchecked and checked it again, then restarted Sleepyhead. No dice.

It also frequently seems to open up zoomed in to one day and I have to zoom out every time, but that' s not the major issue for now. I don't know what it means to have to rebuild the data.
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Ok, I got it. The Range was changed from Everything to Custom for some reason. I reset it to Everything and now the AHI chart is back.
Thank you guys, I appreciate it!
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I have the same problem, I use the F&P machine and the AHI chart disappeared since January 2016 for some reasons. Where to reset the "Range" from "CUSTOM" to "EVERYTHING" - just couldn't find the "Range" button. Thanks
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