Reference : Benefits of napping and an extended duration of recovery sleep on alertness and immun...
Scientific journals : Article
Human health sciences : Cardiovascular & respiratory systems
http://hdl.handle.net/2268/98077
Benefits of napping and an extended duration of recovery sleep on alertness and immune cells after acute sleep restriction.
English
Faraut, Brice [Sleep Laboratory, (ULB 222 Unit), CHU de Charleroi, A. Vésale Hospital, Université Libre de Bruxelles, Montigny-le-Tilleul, Belgium > > > > > >]
Boudjeltia, Karim Zouaoui [Laboratory of Experimental Medicine, (ULB 222 Unit), CHU de Charleroi, A. Vésale Hospital, Université Libre de Bruxelles, Montigny-le-Tilleul, Belgium > > > > > >]
Dyzma, Michal [> > > >]
Rousseau, Alexandre [> > > >]
David, Elodie [> > > >]
Stenuit, Patricia [> > > >]
Franck, Thierry mailto [Université de Liège - ULg > Département clinique des animaux de compagnie et des équidés > Anesthésiologie gén. et pathologie chirurg. des grds animaux >]
Van Antwerpen, Pierre [Laboratory of Pharmaceutical Chemistry, Université Libre de Bruxelles, Brussels, Belgium > > > > > >]
Vanhaeverbeek, Michel [> > > >]
Kerkhofs, Myriam [ > > ]
2011
Brain, Behavior & Immunity
Academic Press
25
1
16-24
Yes (verified by ORBi)
International
0889-1591
1090-2139
Orlando
FL
[en] Adult ; Atherosclerosis/immunology ; Attention/physiology ; Data Interpretation, Statistical ; Female ; Humans ; Hydrocortisone/metabolism ; Immunity, Cellular/physiology ; Inflammation/immunology ; Leukocyte Count ; Male ; Neutrophils/physiology ; Peroxidase/metabolism ; Polysomnography ; Saliva/metabolism ; Sleep/immunology ; Sleep Deprivation/immunology ; Software ; Young Adult
[en] Understanding the interactions between sleep and the immune system may offer insight into why short sleep duration has been linked to negative health outcomes. We, therefore, investigated the effects of napping and extended recovery sleep after sleep restriction on the immune and inflammatory systems and sleepiness. After a baseline night, healthy young men slept for a 2-h night followed by either a standard 8-h recovery night (n=12), a 30-min nap (at 1 p.m.) in addition to an 8-h recovery night (n=10), or a 10-h extended recovery night (n=9). A control group slept 3 consecutive 8-h nights (n=9). Subjects underwent continuous electroencephalogram polysomnography and blood was sampled every day at 7 a.m. Leukocytes, inflammatory and atherogenesis biomarkers (high-sensitivity C-reactive protein, interleukin-8, myeloperoxidase, fibrinogen and apolipoproteins ApoB/ApoA), sleep patterns and sleepiness were investigated. All parameters remained unchanged in the control group. After sleep restriction, leukocyte and - among leukocyte subsets - neutrophil counts were increased, an effect that persisted after the 8-h recovery sleep, but, in subjects who had a nap or a 10-h recovery sleep, these values returned nearly to baseline. Inflammatory and atherogenesis biomarkers were unchanged except for higher myeloperoxidase levels after sleep restriction. The increased sleepiness after sleep restriction was reversed better in the nap and extended sleep recovery conditions. Saliva cortisol decreased immediately after the nap. Our results indicate that additional recovery sleep after sleep restriction provided by a midday nap prior to recovery sleep or a sleep extended night can improve alertness and return leukocyte counts to baseline values.
http://hdl.handle.net/2268/98077
10.1016/j.bbi.2010.08.001
Copyright (c) 2010 Elsevier Inc. All rights reserved.

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