Document Detail

Sleep patterns during 30-m nitrox saturation dives and in a confined atmospheric environment.
MedLine Citation:
PMID:  12047589     Owner:  NLM     Status:  MEDLINE    
Sleep patterns during saturation dives equivalent to a 30-m depth (pressurized condition) and habitation in a confined environment at 1 atm absolute pressure (non-pressurized condition) were studied to determine the effects of environmental pressure. Eight inexperienced divers experienced the pressurized condition of the saturation dives, and nine healthy subjects experienced the non-pressurized condition. Standard polysomnographs were recorded for 262 nights. For both conditions, reductions in total sleep time accompanied by lengthening in sleep latency and reduction in sleep efficiency were observed from the latter part of the experiments through to the recovery periods. These findings suggest that changes were related to psychological and physiological stresses caused by long stays in a confined environment and not by the environmental pressure.
Hidetoshi Nagashima; Kazuya Matsumoto; Yoojin Seo; Motohiko Mohri; Nobuo Naraki; Shigeaki Matsuoka
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Psychiatry and clinical neurosciences     Volume:  56     ISSN:  1323-1316     ISO Abbreviation:  Psychiatry Clin. Neurosci.     Publication Date:  2002 Jun 
Date Detail:
Created Date:  2002-06-05     Completed Date:  2002-09-27     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9513551     Medline TA:  Psychiatry Clin Neurosci     Country:  Australia    
Other Details:
Languages:  eng     Pagination:  267-8     Citation Subset:  IM    
Graduate School, University of East Asia, Shimonoseki-shi, Japan.
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MeSH Terms
Atmospheric Pressure*
Diving / physiology*
Sleep / drug effects*
Sleep Stages / physiology*
Stress, Psychological
Reg. No./Substance:
37291-87-5/nitrox; 7727-37-9/Nitrogen; 7782-44-7/Oxygen

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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