Effects of moderate-intensity brisk walking on sleep quality in middle-aged and elderly patients with hypertension
Objective To explore the effect of 12-week moderate-intensity brisk walking on sleep quality in middle-aged and elderly patients with hypertension.Methods Totally 55 patients(28 males,27 females)with hypertension aged 40～69 were recruited.According to the preferences of subjects,they were divided into an intervention group(n=33,18 males,15 females)and a control group(n=22,10 males,12 females).The intervention group took brisk walking at 40%～59%reserve heart rate in-tensity(%HRR)for 30～60 min each time,3 times per week,for 12 weeks,while the control group maintained their original lifestyle.Then both groups were assessed sleeping quality by using the Pitts-burgh Sleep Index Scale(PSQI)before the intervention and after 4-,8-and 12-week intervention.Re-sults(1)At week 4,the score of sleep disturbance in the intervention group was significantly lower than that before the intervention(P<0.05),and the reported sleep duration was significantly longer than that before the intervention(P<0.05).Four weeks later,the global score of PSQI in the interven-tion group decreased significantly(P<0.05),while the scores of sleep duration and daytime dysfunction were significantly lower than before the intervention(P<0.05),with the reported sleep duration signifi-cantly longer than that before the intervention(P<0.05).At week 12,the reported sleep duration in the intervention group was significantly longer than that before the intervention(P<0.05),while the global score of PSQI was significantly higher than that at week 8(P<0.05).(2)At week 4,the score of sleep disturbance and the global score of PSQI in the intervention group were significantly lower than the control group(P<0.05);At week 8,the global score of PSQI and the score of sleep duration in the intervention group were significantly lower than those in the control group(P<0.05),while the score of sleep efficiency in the intervention group was significantly higher than the control group(P<0.05);At week 12,the score of sleep disturbance in the intervention group was significantly lower than the control group(P<0.05).Conclusions This study shows that middle-aged and elderly patients with hypertension experience significant improvements in sleep quality after taking 45-minute brisk walking at 40%～49%HRR,3 times/week for 8 weeks.Moreover,there are varying degrees of improve-ment in reported sleep duration,sleep efficiency,sleep latency,sleep time,daytime dysfunction,and the global score after the intervention.
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