As you can see from the above graph, simply having a day off lowered morning cortisol awakening response in all groups. (theenergyblueprint.com)
Finally, I can measure cortisol awakening response in dried urine, which I use clinically for patients with mood disorders like depression. (saragottfriedmd.com)
CAR cortisol awakenings response; YSR youth self - report, externalizing behaviour, DBD disruptive behavior disorder, AUCi area under the curve with respect to increase, AUCg area under the curve with respect to the ground, HR heart rate, PEP pre ejection phase, RSA respiratory sinus arrhythmia (capmh.biomedcentral.com)