Why the study?
Does high sleep pressure (30 h wakefulness) alter cardiac autonomic activity and body temperature compared to low sleep pressure (6 h wakefulness) in healthy young subjects?
Population
12 healthy, young subjects (6 men and 6 women)
Comparison
30 h of wakefulness followed by a sleep… vs 6 h of wakefulness followed by a sleep opportunity
Design
Other, counterbalanced design
Follow-up
30 hours of wakefulness and 2 hours of sleep
Authors
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Hypothesis-generating for autonomic recovery after sleep pressure; leaves open relevance to arrhythmia risk or patient populations.
Does high sleep pressure (30 h wakefulness) alter cardiac autonomic activity and body temperature compared to low sleep pressure (6 h wakefulness) in healthy young subjects?
Extended wakefulness and subsequent sleep induce a downregulation of cardiac autonomic activity, potentially providing protection and recovery from extended cardiac demand.
Holmes et al. (2002) studied this question.
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