Nocturnal cardiac autonomic profile in young primary insomniacs and good sleepers.


We investigated cardiac vagal and sympathetic activity in 13 young primary insomniacs (PI; 24.4±1.6years) and 14 good sleepers (GS; 23.3±2.5years) during nocturnal sleep. Pre-ejection period (PEP; inversely related to beta-adrenergic sympathetic activity), interval between consecutive R-waves (RR), and vagal-related indices of time- and frequency-domain… (More)
DOI: 10.1016/j.ijpsycho.2014.06.014


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