This project continues an innovative line of research on how to optimally use sleep as an intervention to promote cognitive recovery from, and resistance to, the neurobehavioral risks posed by chronic partial sleep deprivation. Chronic insufficient sleep is estimated to affect at least 20 percent of adults. It can result from medical conditions and sleep disorders, as well as work demands, and social or domestic responsibilities. It is associated with significant clinical morbidity, and directly causes errors and accidents that are due to its adverse neurobehavioral effects on alertness, mood, and cognitive functions. In seminal experiments conducted under this grant, we showed that the neurobehavioral effects of chronic sleep restriction accumulate to severe levels in a few days, without the full awareness of the affected individuals, and that recovery from chronic sleep restriction requires more sleep than previously assumed. We also discovered that recovery from chronic sleep was illusory, because it masked a heightened neurobehavioral vulnerability to even a single post-recovery night of sleep restriction. The implications of these findings are that apparent recovery from chronic sleep restriction masks a more severe cognitive response to subsequent sleep restriction suggesting that there are longer time constants in the brain for neurobehavioral recovery from chronic sleep restriction. In light of this finding, we now seek to determine whether additional nights of extended recovery sleep will reduce the heightened vulnerability induced by prior exposure to sleep restriction. A total of 110 adults will be studied in the laboratory during a 17-day protocol evaluating cognitive, psychological and physiological responses to varying recovery days between two sleep-restriction periods. The results will establish the number of nights of recovery sleep needed to prevent accelerated deterioration during a subsequent period of sleep restriction. The findings will advance theoretical understanding of sleep homeostasis and its relationship to cognitive functions, as well as inform theories of sleep need, and have substantial implications for sleep biology, for the treatment of clinical disorders that regularly disrupt sleep, and for managing lifestyle factors that frequently restrict sleep.

Public Health Relevance

Chronic partial sleep loss afflicts millions of Americans as a result of a wide range of medical conditions and behavioral demands that disrupt or curtail sleep. It causes excessive sleepiness, cognitive deficits and accidents. This project seeks to find optimal ways to use prolonged sleep opportunities as an intervention to promote cognitive recovery from, and resistance to, the effects of chronic intermittent sleep restriction.

Agency
National Institute of Health (NIH)
Institute
National Institute of Nursing Research (NINR)
Type
Research Project (R01)
Project #
5R01NR004281-18
Application #
8636914
Study Section
Psychosocial Risk and Disease Prevention Study Section (PRDP)
Program Officer
Matocha, Martha F
Project Start
1995-09-30
Project End
2015-03-31
Budget Start
2014-04-01
Budget End
2015-03-31
Support Year
18
Fiscal Year
2014
Total Cost
Indirect Cost
Name
University of Pennsylvania
Department
Psychiatry
Type
Schools of Medicine
DUNS #
City
Philadelphia
State
PA
Country
United States
Zip Code
19104
Perlis, Michael L; Grandner, Michael A; Chakravorty, Subhajit et al. (2016) Suicide and sleep: Is it a bad thing to be awake when reason sleeps? Sleep Med Rev 29:101-7
Patel, Viral C; Spaeth, Andrea M; Basner, Mathias (2016) Relationships between time use and obesity in a representative sample of Americans. Obesity (Silver Spring) 24:2164-75
Perlis, Michael L; Grandner, Michael A; Brown, Gregory K et al. (2016) Nocturnal Wakefulness as a Previously Unrecognized Risk Factor for Suicide. J Clin Psychiatry 77:e726-33
Goel, Namni; Basner, Mathias; Dinges, David F (2015) Phenotyping of neurobehavioral vulnerability to circadian phase during sleep loss. Methods Enzymol 552:285-308
Basner, Mathias; Mcguire, Sarah; Goel, Namni et al. (2015) A new likelihood ratio metric for the psychomotor vigilance test and its sensitivity to sleep loss. J Sleep Res 24:702-13
Spaeth, Andrea M; Dinges, David F; Goel, Namni (2015) Phenotypic vulnerability of energy balance responses to sleep loss in healthy adults. Sci Rep 5:14920
Spaeth, Andrea M; Dinges, David F; Goel, Namni (2015) Resting metabolic rate varies by race and by sleep duration. Obesity (Silver Spring) 23:2349-56
Basner, Mathias; Savitt, Adam; Moore, Tyler M et al. (2015) Development and Validation of the Cognition Test Battery for Spaceflight. Aerosp Med Hum Perform 86:942-52
Liu, Jianghong; Liu, Xianchen; Pak, Victoria et al. (2015) Early Blood Lead Levels and Sleep Disturbance in Preadolescence. Sleep 38:1869-74
Weljie, Aalim M; Meerlo, Peter; Goel, Namni et al. (2015) Oxalic acid and diacylglycerol 36:3 are cross-species markers of sleep debt. Proc Natl Acad Sci U S A 112:2569-74

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