Effects of 29-h total sleep deprivation on local cold tolerance in humans

To study the effects of a 29-h total sleep deprivation (TSD) on local cold tolerance, 10 healthy men immersed their right hand for 30 min in a 5°C water bath (CWI) after a 30-min rest period in a thermoneutral environment (Control), after a normal night (NN) and after a 29-h TSD. CWI was followed by...

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Bibliographic Details
Published in:European journal of applied physiology 2012-09, Vol.112 (9), p.3239-3250
Main Authors: Sauvet, Fabien, Bourrilhon, C., Besnard, Y., Alonso, A., Cottet-Emard, J.-M., Savourey, G., Launay, J.-C.
Format: Article
Language:English
Subjects:
Adaptation, Physiological - physiology
Adult
Biological and medical sciences
Biomedical and Life Sciences
Biomedicine
Blood pressure
Blood Pressure - physiology
Body Temperature Regulation - physiology
Catecholamines
Cold Temperature
Fundamental and applied biological sciences. Psychology
Heart rate
Heart Rate - physiology
Human Physiology
Humans
Immersion - physiopathology
Male
Occupational Medicine/Industrial Medicine
Original Article
Pain Measurement
Pain Perception - physiology
Physiology
Skin
Skin Temperature - physiology
Sleep deprivation
Sleep Deprivation - physiopathology
Smooth muscle
Sports Medicine
Temperature
Time Factors
Vasodilation - physiology
Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports
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Summary:To study the effects of a 29-h total sleep deprivation (TSD) on local cold tolerance, 10 healthy men immersed their right hand for 30 min in a 5°C water bath (CWI) after a 30-min rest period in a thermoneutral environment (Control), after a normal night (NN) and after a 29-h TSD. CWI was followed by a 30-min passive rewarming (Recovery). Finger 2 and 4 skin temperatures ( T fi2, T fi4) and finger 2 cutaneous vascular conductance (CVC) were monitored to study cold-induced vasodilation (CIVD). Rectal temperature ( T re), mean skin temperature ( ), heart rate (HR) and blood pressure (BP) were also measured. Blood samples were collected at the end of the Control, at the lower and at the first maximal T fi2 values during CWI and at Recovery. T fi2, T fi4 and CVC did not differ after TSD at Control, whereas they were reduced during CWI (−2.6 ± 0.7°C for T fi2; −2 ± 0.8°C for T fi4, −79 ± 25% for relative CVC, P  
ISSN:1439-6319
1439-6327
DOI:10.1007/s00421-011-2297-1