Why the study?
Does 24-hour sleep deprivation affect cardiac vagal tone during early sleep in normal and epileptic subjects?
Population
16 subjects (normal and epileptic subjects)
Comparison
24-hour sleep deprivation vs Non-sleep-deprived subjects
Design
Other
Follow-up
first 90 minutes of sleep
Authors
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Supports vagal tone as potential sleep propensity marker in epilepsy; hypothesis-generating, needs validation before clinical use.
Does 24-hour sleep deprivation affect cardiac vagal tone during early sleep in normal and epileptic subjects?
Cardiac vagal tone is significantly elevated following sleep deprivation and falls during slow-wave sleep, suggesting it could serve as an objective index of sleep propensity.
Delamont et al. (1998) studied this question.
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