Why the study?
Does psychophysiological insomnia alter heart rate variability compared to normal sleep?
Does psychophysiological insomnia alter heart rate variability compared to normal sleep?
Psychophysiological insomnia is associated with altered heart rate variability indicative of increased sympathetic nervous system activity, which may increase the risk of coronary artery disease.
No takes yet. Share an insight, caveat, or question.
May indicate sympathetic predominance in insomnia; leaves open whether HRV changes mediate CAD risk or require intervention.
Bonnet et al. (1998) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: