Schramm PJ, Thomas R, Feige B, Spiegelhalder K, Riemann D. Quantitative measurement of sleep quality using cardiopulmonary coupling analysis: a retrospective comparison of individuals with and without primary insomnia. Sleep Breath 2013; 17:713-21. DOI: 10.1007/s11325-012-0747-6
To determine the utility of a new operator-independent, automated measure of sleep physiology based on cardiopulmonary coupling (CPC) analysis in subjects with primary insomnia vs. good sleepers.
Primary insomnia subjects have a marked worsening of sleep quality on the adaptation night, which is well captured by both conventional and ECG-derived sleep spectrogram techniques.
The operator-independent, automated measure of sleep physiology demonstrated functionality to differentiate and objectively quantify sleep quality.