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Effect of exercise and cognitive activity on self-reported sleep quality in community-dwelling older adults with cognitive complaints: a randomized controlled trial.
Source: Journal of the American Geriatrics Society 2014 Dec;62(12):2319-2326.
Author: Pa J, Goodson W, Bloch A, King AC, Yaffe K, Barnes DE
PubMed ID: 25516028
Abstract:
OBJECTIVES: To compare the effects of different types of physical and mental activity on self-reported sleep quality over 12 weeks in older adults with cognitive and sleep complaints. DESIGN: Randomized controlled trial. SETTING: General community. PARTICIPANTS: Seventy-two inactive community-dwelling older adults with self-reported sleep and cognitive problems (mean age 73.3 ± 6.1; 60% women). INTERVENTION: Random allocation to four arms using a two-by-two factorial design: aerobic+cognitive training, aerobic+educational DVD, stretching+cognitive training, and stretching+educational DVD arms (60 min/d, 3 d/wk for physical and mental activity for 12 weeks). MEASUREMENTS: Change in sleep quality using seven questions from the Sleep Disorders Questionnaire on the 2005 to 2006 National Health and Nutrition Examination Survey (range 0-28, with higher scores reflecting worse sleep quality). Analyses used intention-to-treat methods. RESULTS: Sleep quality scores did not differ at baseline, but there was a significant difference between the study arms in change in sleep quality over time (P < .005). Mean sleep quality scores improved significantly more in the stretching+educational DVD arm (5.1 points) than in the stretching+cognitive training (1.2 points), aerobic+educational DVD (1.1 points), or aerobic+cognitive training (0.25 points) arms (all P < .05, corrected for multiple comparisons). Differences between arms were strongest for waking at night (P = .02) and taking sleep medications (P = .004). CONCLUSION: Self-reported sleep quality improved significantly more with low-intensity physical and mental activities than with moderate- or high-intensity activities in older adults with self-reported cognitive and sleep difficulties. Future longer-term studies with objective sleep measures are needed to corroborate these results. © 2014, Copyright the Authors Journal compilation © 2014, The American Geriatrics Society.
Source: Journal of the American Geriatrics Society 2014 Dec;62(12):2319-2326.
Author: Pa J, Goodson W, Bloch A, King AC, Yaffe K, Barnes DE
PubMed ID: 25516028
Abstract:
OBJECTIVES: To compare the effects of different types of physical and mental activity on self-reported sleep quality over 12 weeks in older adults with cognitive and sleep complaints. DESIGN: Randomized controlled trial. SETTING: General community. PARTICIPANTS: Seventy-two inactive community-dwelling older adults with self-reported sleep and cognitive problems (mean age 73.3 ± 6.1; 60% women). INTERVENTION: Random allocation to four arms using a two-by-two factorial design: aerobic+cognitive training, aerobic+educational DVD, stretching+cognitive training, and stretching+educational DVD arms (60 min/d, 3 d/wk for physical and mental activity for 12 weeks). MEASUREMENTS: Change in sleep quality using seven questions from the Sleep Disorders Questionnaire on the 2005 to 2006 National Health and Nutrition Examination Survey (range 0-28, with higher scores reflecting worse sleep quality). Analyses used intention-to-treat methods. RESULTS: Sleep quality scores did not differ at baseline, but there was a significant difference between the study arms in change in sleep quality over time (P < .005). Mean sleep quality scores improved significantly more in the stretching+educational DVD arm (5.1 points) than in the stretching+cognitive training (1.2 points), aerobic+educational DVD (1.1 points), or aerobic+cognitive training (0.25 points) arms (all P < .05, corrected for multiple comparisons). Differences between arms were strongest for waking at night (P = .02) and taking sleep medications (P = .004). CONCLUSION: Self-reported sleep quality improved significantly more with low-intensity physical and mental activities than with moderate- or high-intensity activities in older adults with self-reported cognitive and sleep difficulties. Future longer-term studies with objective sleep measures are needed to corroborate these results. © 2014, Copyright the Authors Journal compilation © 2014, The American Geriatrics Society.