Study on correlation between sleep status during long voyage and constitution of Traditional Chinese Medicine of officers and soldiers in a naval vessel unit
Objective To investigate the common sleep problems and influencing factors during long voyage of officers and soldiers in a naval vessel unit,and explore its correlation with the constitution of Traditional Chinese Medicine(TCM).Methods Totally 740 naval officers and soldiers were selected by random cluster sampling method.Their sleep status and TCM constitution were assessed by the Pittsburgh sleep quality index(PSQI)and TCM constitution scale.Totally 630 valid PSQI scales were collected,with an effective rate of 85.1％.And 738 valid TCM constitution scales were collected,with an effective rate of 99.7％.Results Before the voyage,15 days and 30 days after voyage,the incidence of sleep disorders in 630 navy servicemen was 40.2％,49.4％and 54.6％,respectively.There were statistically significant differences in the total score of PSQI and factor score of sleep quality,sleep latency,sleep duration,sleep efficiency and daytime dysfunction between navy servicemen and the domestic norm(all P＜0.01).53.8％of 738 naval officers and soldiers were regarded as lopsided constitution,including Yin-deficiency(12.2％),Yang-deficiency(10.7％)and Dampness-heat(9.1％).The sleep problems of navy servicemen during long voyage were correlated with TCM constitution,positions and the time from the previous long voyage mission.The Phlegm-dampness,Yin-deficiency,Blood-stasis and Dampness-heat were independent risk factors for the sleep disorders(all P＜0.01),and played a major role in different stages during the long voyage respectively.Conclusions The naval officers and soldiers with sleep disorders during long voyage account the high proportion,whose overall health level need to be improved.Their sleep status is correlated with TCM constitution.It is suggested that traditional Chinese medicine"preventive treatment of disease"can play an important role in health maintenance of navy servicemen through conditioning the lopsided constitution.
Naval officers and soldiersLong voyageSleep statusConstitution of Traditional Chinese MedicineLopsided constitutionCorrelation study
NETL
NSTL
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