Key result
An afternoon bout of exhaustive submaximal exercise resulted in a sustained elevation of heart rate and cardiac output throughout the subsequent night's sleep compared to a baseline night.
Why the study?
Does an afternoon bout of exhaustive submaximal exercise alter cardiovascular function and catecholamine excretion during sleep?
Population
9 subjects (5 female, 4 male)
Comparison
Afternoon bout of exhaustive submaximal exercise vs Base-line night of sleep without preceding…
Design
Other
Follow-up
3 successive nights
Authors
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Alerts clinicians to nocturnal hemodynamic changes after afternoon exhaustive exercise; leaves open impacts on recovery and adaptation.
Does an afternoon bout of exhaustive submaximal exercise alter cardiovascular function and catecholamine excretion during sleep?
Exhaustive submaximal exercise in the afternoon leads to sustained elevations in heart rate and cardiac output during subsequent sleep, likely reflecting increased myocardial beta-receptor activity.
Bunnell et al. (1985) studied this question. Exhaustive submaximal exercise vs. Base-line night was evaluated on Cardiovascular function (heart rate and cardiac output) and catecholamine excretion during sleep. An afternoon bout of exhaustive submaximal exercise resulted in a sustained elevation of heart rate and cardiac output throughout the subsequent night's sleep compared to a baseline night.
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