Interesting graphs and charts department

[Spexxvet]

Originally Posted by footfootfoot

How do it know?

I will research this. Curious because I wonder, after my sleep study, how my meds and lifestyle changes are affecting my sleep. Have things improved, etc.

Do you have a history of sleep problems? Have we discussed this?

If you have a CPAP, it has an SD card in it with some interesting information, like how many hours a night you use it.