SPOT - Recovery after excercise - a link to burnout

How you recover after exercise can tell a lot about your condition per se.
Right: Intense exercise from 8:20-9:30 pm with gradual and fast cardiovascular recovery in healthy individual.
Left: Intense exercise from 12:15-1:40 pm w/ slow cardiovascular recovery, repeatedly. Subject was diagnosed w/ OSA and burnout. Here is how you read the spiral.