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The influence of gender, arousal type and CPAP condition on the heart rate response to arousal from sleep
Heart rate (HR) expressed as a percentage of the pre-arousal sleeping level for 40 s following tone-induced arousal in men and women (A), spontaneous and tone-induced arousal (B) and following spontaneous arousal on optimal and sub-optimal CPAP (C) in OSA patients. Mean ±s.e.m. presented, *P < 0.05 heart rate different between groups at the indicated time points.
