TAP reading note: Neurobehavioral dynamics following chronic sleep restriction: dose-response effects of one night for recovery
After five restricted nights, greater recovery sleep opportunity improved five of six neurobehavioural measures in a dose-related manner. Yet even a ten-hour opportunity did not restore sustained attention, subjective sleepiness and fatigue fully to baseline. Recovery depended on the outcome measured.
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What the study found
After five restricted nights, greater recovery sleep opportunity improved five of six neurobehavioural measures in a dose-related manner. Yet even a ten-hour opportunity did not restore sustained attention, subjective sleepiness and fatigue fully to baseline. Recovery depended on the outcome measured.
Scope & limitations
159 healthy adults: 142 in restriction and 17 controls, with smaller groups at each recovery dose.
A controlled single-night experiment cannot determine recovery after weeks of restriction, in clinical populations or for an individual. Time in bed differs from actual sleep, and comparisons with baseline differ from comparisons with controls.
Population & sample
159 healthy adults: 142 in restriction and 17 controls, with smaller groups at each recovery dose.
Exposure or intervention
Two ten-hour baseline nights, then five four-hour nights followed by one randomized recovery opportunity of 0, 2, 4, 6, 8 or 10 hours; controls retained ten-hour opportunities.
Outcomes
Dose-related attention, sleepiness, fatigue and other neurobehavioural measures. The ten-hour recovery group slept approximately 8.96 hours.
Time frame
Five restricted nights and one recovery night; no estimate of multi-night recovery effects.
Research funding
Not yet verified against the full text.
Research conflicts of interest
Not yet verified against the full text.
Reading scope
Original full-text flow, recovery doses, neurobehavioural results, models and limitations. Supplementary models and all dose-specific denominators remain to be checked.
References
Publication record
TAP-RDN-0024 · v0.3 · English
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Record for v0.3 · Updated
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