Carl A. Smoot
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View article: Cardiovascular and aortic wave reflection responses to evening binge alcohol consumption
Cardiovascular and aortic wave reflection responses to evening binge alcohol consumption Open
Increases in aortic wave reflection and aortic pulsatile load are known contributors to hypertension, cardiovascular risk, and pulsatile stress to end organs. To our knowledge, this is the first study to demonstrate that evening binge alco…
View article: Reliability of heart rate variability during stable and disrupted polysomnographic sleep
Reliability of heart rate variability during stable and disrupted polysomnographic sleep Open
Heart rate variability (HRV) is a commonly employed indirect estimate of cardiac autonomic activity during sleep with limited reliability studies. Nocturnal frequency-domain HRV was reliable across differing stable sleep cycles of stage-2 …
View article: Blunted heart rate recovery to spontaneous nocturnal arousals in short-sleeping adults
Blunted heart rate recovery to spontaneous nocturnal arousals in short-sleeping adults Open
Short habitual sleep is associated with poor cardiovascular outcomes, but mechanisms remain equivocal. The present study used objectively measured habitual sleep via wrist actigraphy, and reports that habitual short sleepers have augmented…
View article: Evening binge alcohol disrupts cardiovagal tone and baroreflex function during polysomnographic sleep
Evening binge alcohol disrupts cardiovagal tone and baroreflex function during polysomnographic sleep Open
Study Objectives Binge alcohol consumption is associated with increased cardiovascular risk. The effects of evening binge alcohol consumption (i.e. 4–5 beverages within 2 h) on the vagal components of HRV and cardiovagal baroreflex sensiti…
View article: 062 Sex Differences in Slow Wave Sleep Following Evening Binge Alcohol Consumption
062 Sex Differences in Slow Wave Sleep Following Evening Binge Alcohol Consumption Open
Introduction Binge alcohol consumption alters normal sleep architecture, often via increased slow wave sleep (SWS) and decreased rapid eye movement (REM) sleep. Women may be more susceptible to the sedative effects of alcohol during blood …
View article: Sex differences in blood pressure responsiveness to spontaneous K-complexes during stage II sleep
Sex differences in blood pressure responsiveness to spontaneous K-complexes during stage II sleep Open
K-complexes during stage II sleep are known to elicit acute increases in blood pressure and heart rate. In the present study, we confirm an increase in blood pressure and heart rate following a spontaneous K-complex in men and women. In co…
View article: Morning sympathetic activity after evening binge alcohol consumption
Morning sympathetic activity after evening binge alcohol consumption Open
Chronic binge alcohol consumption is associated with future cardiovascular disease (CVD) risk in both men and women. In addition, binge alcohol consumption is known to disrupt normal sleep quality during the early morning hours, coinciding…
View article: Sympathetic neural responsiveness to sleep deprivation in older adults: sex differences
Sympathetic neural responsiveness to sleep deprivation in older adults: sex differences Open
Our laboratory has previously reported that total sleep deprivation (TSD) modifies muscle sympathetic neural activity (MSNA) differently in young men and women. Because postmenopausal women are among the highest risk for hypertension, this…
View article: 0069 Spectral Analyses of Slow Wave Sleep and Rapid Eye Movement Sleep are Associated with Changes in Continuous Nocturnal Blood Pressure
0069 Spectral Analyses of Slow Wave Sleep and Rapid Eye Movement Sleep are Associated with Changes in Continuous Nocturnal Blood Pressure Open
Introduction\nSlow wave (SWS) and rapid eye movement (REM) sleep are both associated with dynamic changes in nocturnal blood pressure (BP). Specifically, SWS is often associated with the greatest reductions of nocturnal BP, while episodic …
View article: 0223 Total Sleep Deprivation and Pain Perception during Cold Noxious Stimuli in Older Adults
0223 Total Sleep Deprivation and Pain Perception during Cold Noxious Stimuli in Older Adults Open
Introduction\nOur laboratory has previously reported an augmented pain response to 24-hour total sleep deprivation (TSD) in young men and women. Because aging is associated with a greater prevalence of chronic pain and diminished sleep qua…
View article: 0270 Sex Differences in Sympathetic Neural Responses to Total Sleep Deprivation in Older Adults: Implications for Postmenopausal Hypertension
0270 Sex Differences in Sympathetic Neural Responses to Total Sleep Deprivation in Older Adults: Implications for Postmenopausal Hypertension Open
We have previously reported that total sleep deprivation (TSD) modifies muscle sympathetic neural activity (MSNA) in young men and women, with a greater shift towards sympathetic predominance in premenopausal women. Because postmenopausal …