目的 研究睡眠剥夺对健康青年人心理健康状况和血清皮质醇含量的影响,并进一步探索血清皮质醇含量与心理健康状况的关系.方法 随机整群抽取某部队陆军160名进行24 h完全睡眠剥夺作为睡眠剥夺组和60名给予正常睡眠(睡眠≥7h)作为对照组,试验从当天下午2:00至次日下午2:00,试验结束后立即运用《军人心理疾病预测量表》陆军常模同时评定睡眠剥夺组和对照组的心理健康状况,睡眠剥夺组分别于试验次日晨7:00和正常睡眠洗脱(睡眠≥7 h)5d后次日晨7:00抽取静脉血测定皮质醇含量,对所得数据进行统计学分析.结果 (1)睡眠剥夺组心理疾病预测总分及精神病性、抑郁、躁狂、神经症、人格偏移因子分明显高于对照组(P＜0.05);(2)睡眠剥夺组心理疾病预测总分及躁狂、人格偏移因子分明显高于陆军常模(P≤0.01);(3)睡眠剥夺组睡眠剥夺中的血清皮质醇含量高于正常睡眠洗脱后(t=2.05,P=0.04);(4)睡眠剥夺组躁狂因子得分与剥夺时血清皮质醇升高量呈正相关(r=0.37,P=0.00);(5)睡眠剥夺时血清皮质醇的ROC曲线下面积为0.95,以血清皮质醇含量500.56 nmol/L为临界值时诊断躁狂状态的相关性最高.结论 睡眠剥夺可显著降低青年军人心理健康水平和引起血清皮质醇升高,睡眠剥夺时血清皮质醇升高在导致躁狂症状的过程中起正向调节作用,睡眠剥夺时血清皮质醇含量达500.56 nmol/L与预测躁狂状态有较好的相关性.

This study aimed to investigate the effects of sleep deprivation on serum cortisol level and mental health and explore the correlations between them in servicemen. A total of 149 out of the 207 Chinese servicemen were randomly selected to go through 24 hour sleep deprivation, leaving the rest (58) as the control group, before and after which their blood samples were drawn for cortisol measurement. Following the procedure, all the participants were administered the Military Personnel Mental Disorder Prediction Scale, taking the military norm as baseline. The results revealed that the post-deprivation serum cortisol level was positively correlated with the factor score of mania in the sleep deprivation group (rSp = 0.415, p < 0.001). Sleep deprivation could significantly increase serum cortisol level and may affect mental health in servicemen. The increase of serum cortisol level is significantly related to mania disorder during sleep deprivation.

目的 探讨24 h完全睡眠剥夺对青年人血清中肾素、血管紧张素Ⅱ、皮质醇、多巴胺、去甲肾上腺素及肾上腺素的影响.方法 整群随机抽取某部队陆军230名青年军人进行24h完全睡眠剥夺,试验前7d所有受试者要求正常睡眠(睡眠不少于7h),试验从下午2:00至次日下午2:00,于试验次日晨7:00(睡眠剥夺期)和试验结束后5日晨7:00(对照期)分别抽取受试者静脉血,测定肾素、血管紧张素Ⅱ和皮质醇,并从受试者中随机选取60名同时测定多巴胺、去甲肾上腺素及肾上腺素,对所得数据进行统计分析.结果 睡眠剥夺过程中,受试者血清中的肾素、血管紧张素Ⅱ、皮质醇、多巴胺、去甲肾上腺素及肾上腺素含量与睡眠剥夺前比较,均有明显升高(t=2.132～7.198,P＜0.05).结论 睡眠剥夺作为一种内源性应激,不仅可激活人体下丘脑-垂体-肾上腺皮质轴(HPA轴),使血清中皮质醇含量明显升高;还可激活人体蓝斑-去甲肾上腺素能神经元(LC-NE)-交感-肾上腺髓质轴(SAM轴),使血清中多巴胺、去甲肾上腺素、肾上腺素含量明显升高;而且还可激活人体肾素-血管紧张素系统(RAS),使血清中肾素、血管紧张素Ⅱ含量明显升高.

The aim of this study was to investigate the effects of mental resilience on the changes of serum rennin, angiotensin, and cortisol level induced by sleep deprivation in servicemen. By random cluster sampling, a total of 160 servicemen, aged from 18 to 30, were selected to undergo 24-hour total sleep deprivation and administered the military personnel mental resilience scale after the deprivation procedure. The sleep deprivation procedure started at 8 a.m. on Day 8 and ended at 8 a.m. on Day 9 after 7 days of normal sleep for baseline preparation. Blood samples were drawn from the 160 participants at 8 a.m. respectively on Day 8 and Day 9 for hormonal measurements. All blood samples were analyzed using radioimmunoassay. As hypothesized, serum rennin, angiotensin II, and cortisol level of the participants after sleep deprivation were significantly higher than those before (P < 0.05). The changes of serum rennin and cortisol in the lower mental resilience subgroup were significantly greater (P < 0.05); problem-solving skill and willpower were the leading influence factors for the increases of serum rennin and cortisol respectively induced by sleep deprivation. We conclude that mental resilience plays a significant role in alleviating the changes of neurohormones level induced by sleep deprivation in servicemen.

This study aimed to investigate the effects of 24 h total sleep deprivation on serum rennin, angiotensin II, cortisol, dopamine, epinephrine and norepinephrine in servicemen. A total of 223 servicemen had blood drawn before and after deprivation for serum rennin, angiotensin II and cortisol measurements. Altogether 60 participants were randomly selected from all the participants as a subsample for serum dopamine, epinephrine and norepinephrine measurements. The results revealed that the levels of all six hormones after sleep deprivation were significantly higher than those before. We conclude that sleep deprivation probably serves as an endogenous stressor via complex pathways.