Daytime somnolence as an early sign of cognitive decline in a community-based study of older people
Objective This study aimed to examine the association between self‐reported sleep problems and cognitive decline in community‐dwelling older people. We hypothesized that daytime somnolence predicts subsequent cognitive decline. Methods This is a longitudinal study in a 3.2‐year follow‐up, with 18‐mo...
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Veröffentlicht in: | International journal of geriatric psychiatry 2016-03, Vol.31 (3), p.247-255 |
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container_title | International journal of geriatric psychiatry |
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creator | Tsapanou, Angeliki Gu, Yian O'Shea, Deirdre Eich, Teal Tang, Ming-Xin Schupf, Nicole Manly, Jennifer Zimmerman, Molly Scarmeas, Nikolaos Stern, Yaakov |
description | Objective
This study aimed to examine the association between self‐reported sleep problems and cognitive decline in community‐dwelling older people. We hypothesized that daytime somnolence predicts subsequent cognitive decline.
Methods
This is a longitudinal study in a 3.2‐year follow‐up, with 18‐month intervals. The setting is the Washington Heights‐Inwood Community Aging Project. There were 1098 participants, who were over 65 years old and recruited from the community.
Sleep problems were estimated using five sleep categories derived from the RAND Medical Outcome Study Sleep Scale: sleep disturbance, snoring, awaken short of breath/with a headache, sleep adequacy, and daytime somnolence. Four distinct cognitive composite scores were calculated: memory, language, speed of processing, and executive functioning. We used generalized estimating equations analyses with cognitive scores as the outcome, and time, sleep categories and their interactions as the main predictors. Models were initially unadjusted and then adjusted for age, gender, education, ethnicity, depression, and apolipoprotein E‐ε4 genotype.
Results
Increased daytime somnolence (including feeling drowsy/sleepy, having trouble staying awake, and taking naps during the day) was linked to slower speed of processing both cross‐sectionally (B = −0.143, p = 0.047) and longitudinally (B = −0.003, p = 0.027). After excluding the demented participants at baseline, the results remained significant (B = −0.003, p = 0.021).
Conclusions
Our findings suggest that daytime somnolence may be an early sign of cognitive decline in the older population. Copyright © 2015 John Wiley & Sons, Ltd. |
doi_str_mv | 10.1002/gps.4318 |
format | Article |
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This study aimed to examine the association between self‐reported sleep problems and cognitive decline in community‐dwelling older people. We hypothesized that daytime somnolence predicts subsequent cognitive decline.
Methods
This is a longitudinal study in a 3.2‐year follow‐up, with 18‐month intervals. The setting is the Washington Heights‐Inwood Community Aging Project. There were 1098 participants, who were over 65 years old and recruited from the community.
Sleep problems were estimated using five sleep categories derived from the RAND Medical Outcome Study Sleep Scale: sleep disturbance, snoring, awaken short of breath/with a headache, sleep adequacy, and daytime somnolence. Four distinct cognitive composite scores were calculated: memory, language, speed of processing, and executive functioning. We used generalized estimating equations analyses with cognitive scores as the outcome, and time, sleep categories and their interactions as the main predictors. Models were initially unadjusted and then adjusted for age, gender, education, ethnicity, depression, and apolipoprotein E‐ε4 genotype.
Results
Increased daytime somnolence (including feeling drowsy/sleepy, having trouble staying awake, and taking naps during the day) was linked to slower speed of processing both cross‐sectionally (B = −0.143, p = 0.047) and longitudinally (B = −0.003, p = 0.027). After excluding the demented participants at baseline, the results remained significant (B = −0.003, p = 0.021).
Conclusions
Our findings suggest that daytime somnolence may be an early sign of cognitive decline in the older population. Copyright © 2015 John Wiley & Sons, Ltd.</description><identifier>ISSN: 0885-6230</identifier><identifier>EISSN: 1099-1166</identifier><identifier>DOI: 10.1002/gps.4318</identifier><identifier>PMID: 26081795</identifier><identifier>CODEN: IJGPES</identifier><language>eng</language><publisher>England: Blackwell Publishing Ltd</publisher><subject>Aged ; Aged, 80 and over ; Cognition & reasoning ; Cognition - physiology ; Cognition Disorders - complications ; Cognition Disorders - physiopathology ; cognitive decline ; Cross-Sectional Studies ; daytime somnolence ; Executive Function - physiology ; Female ; Geriatric psychiatry ; Geriatric psychology ; Humans ; Longitudinal Studies ; Male ; Memory - physiology ; Neuropsychological Tests ; older ; Sleep disorders ; Sleep Wake Disorders - etiology ; Sleep Wake Disorders - physiopathology ; speed of processing</subject><ispartof>International journal of geriatric psychiatry, 2016-03, Vol.31 (3), p.247-255</ispartof><rights>Copyright © 2015 John Wiley & Sons, Ltd.</rights><rights>Copyright © 2016 John Wiley & Sons, Ltd.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5798-beebfc704e35e01943a3f63c31e21e36056f2545b67aa1f85b46973831148b7f3</citedby><cites>FETCH-LOGICAL-c5798-beebfc704e35e01943a3f63c31e21e36056f2545b67aa1f85b46973831148b7f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fgps.4318$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fgps.4318$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>230,314,780,784,885,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26081795$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Tsapanou, Angeliki</creatorcontrib><creatorcontrib>Gu, Yian</creatorcontrib><creatorcontrib>O'Shea, Deirdre</creatorcontrib><creatorcontrib>Eich, Teal</creatorcontrib><creatorcontrib>Tang, Ming-Xin</creatorcontrib><creatorcontrib>Schupf, Nicole</creatorcontrib><creatorcontrib>Manly, Jennifer</creatorcontrib><creatorcontrib>Zimmerman, Molly</creatorcontrib><creatorcontrib>Scarmeas, Nikolaos</creatorcontrib><creatorcontrib>Stern, Yaakov</creatorcontrib><title>Daytime somnolence as an early sign of cognitive decline in a community-based study of older people</title><title>International journal of geriatric psychiatry</title><addtitle>Int J Geriatr Psychiatry</addtitle><description>Objective
This study aimed to examine the association between self‐reported sleep problems and cognitive decline in community‐dwelling older people. We hypothesized that daytime somnolence predicts subsequent cognitive decline.
Methods
This is a longitudinal study in a 3.2‐year follow‐up, with 18‐month intervals. The setting is the Washington Heights‐Inwood Community Aging Project. There were 1098 participants, who were over 65 years old and recruited from the community.
Sleep problems were estimated using five sleep categories derived from the RAND Medical Outcome Study Sleep Scale: sleep disturbance, snoring, awaken short of breath/with a headache, sleep adequacy, and daytime somnolence. Four distinct cognitive composite scores were calculated: memory, language, speed of processing, and executive functioning. We used generalized estimating equations analyses with cognitive scores as the outcome, and time, sleep categories and their interactions as the main predictors. Models were initially unadjusted and then adjusted for age, gender, education, ethnicity, depression, and apolipoprotein E‐ε4 genotype.
Results
Increased daytime somnolence (including feeling drowsy/sleepy, having trouble staying awake, and taking naps during the day) was linked to slower speed of processing both cross‐sectionally (B = −0.143, p = 0.047) and longitudinally (B = −0.003, p = 0.027). After excluding the demented participants at baseline, the results remained significant (B = −0.003, p = 0.021).
Conclusions
Our findings suggest that daytime somnolence may be an early sign of cognitive decline in the older population. Copyright © 2015 John Wiley & Sons, Ltd.</description><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Cognition & reasoning</subject><subject>Cognition - physiology</subject><subject>Cognition Disorders - complications</subject><subject>Cognition Disorders - physiopathology</subject><subject>cognitive decline</subject><subject>Cross-Sectional Studies</subject><subject>daytime somnolence</subject><subject>Executive Function - physiology</subject><subject>Female</subject><subject>Geriatric psychiatry</subject><subject>Geriatric psychology</subject><subject>Humans</subject><subject>Longitudinal Studies</subject><subject>Male</subject><subject>Memory - physiology</subject><subject>Neuropsychological Tests</subject><subject>older</subject><subject>Sleep disorders</subject><subject>Sleep Wake Disorders - etiology</subject><subject>Sleep Wake Disorders - physiopathology</subject><subject>speed of processing</subject><issn>0885-6230</issn><issn>1099-1166</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkV2L1DAUhoso7rgK_gIJeONN16RpPnojyOiOH4MKKoI3IU1Px6xpUpN2tf_ejDuOHyCYmwN5Hx5O8hbFXYLPCMbVw92YzmpK5LViRXDTlIRwfr1YYSlZySuKT4pbKV1gnDMibxYnFceSiIatCvNEL5MdAKUw-ODAG0A6Ie0R6OgWlOzOo9AjE3beTvYSUAfGWQ_IeqTz9TDMOVjKVifoUJrmbtnzwXUQ0QhhdHC7uNFrl-DOYZ4W78-fvls_K7evN8_Xj7elYaKRZQvQ9kbgGigDTJqaatpzaiiBigDlmPG-YjVrudCa9JK1NW8ElZSQWraip6fFoyvvOLcDdAb8FLVTY7SDjosK2qo_E28_qV24VIxKQpjIggcHQQxfZkiTGmwy4Jz2EOakiBA8H1b_D8oZE1IKnNH7f6EXYY4-_8QPitaMEvZLaGJIKUJ_3JtgtS9Z5ZLVvuSM3vv9nUfwZ6sZKK-Ar9bB8k-R2rx5exAeeJsm-HbkdfysuKCCqQ-vNuojOV_z9falekG_A2zHv3Q</recordid><startdate>201603</startdate><enddate>201603</enddate><creator>Tsapanou, Angeliki</creator><creator>Gu, Yian</creator><creator>O'Shea, Deirdre</creator><creator>Eich, Teal</creator><creator>Tang, Ming-Xin</creator><creator>Schupf, Nicole</creator><creator>Manly, Jennifer</creator><creator>Zimmerman, Molly</creator><creator>Scarmeas, Nikolaos</creator><creator>Stern, Yaakov</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TK</scope><scope>K9.</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>201603</creationdate><title>Daytime somnolence as an early sign of cognitive decline in a community-based study of older people</title><author>Tsapanou, Angeliki ; Gu, Yian ; O'Shea, Deirdre ; Eich, Teal ; Tang, Ming-Xin ; Schupf, Nicole ; Manly, Jennifer ; Zimmerman, Molly ; Scarmeas, Nikolaos ; Stern, Yaakov</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5798-beebfc704e35e01943a3f63c31e21e36056f2545b67aa1f85b46973831148b7f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Cognition & reasoning</topic><topic>Cognition - physiology</topic><topic>Cognition Disorders - complications</topic><topic>Cognition Disorders - physiopathology</topic><topic>cognitive decline</topic><topic>Cross-Sectional Studies</topic><topic>daytime somnolence</topic><topic>Executive Function - physiology</topic><topic>Female</topic><topic>Geriatric psychiatry</topic><topic>Geriatric psychology</topic><topic>Humans</topic><topic>Longitudinal Studies</topic><topic>Male</topic><topic>Memory - physiology</topic><topic>Neuropsychological Tests</topic><topic>older</topic><topic>Sleep disorders</topic><topic>Sleep Wake Disorders - etiology</topic><topic>Sleep Wake Disorders - physiopathology</topic><topic>speed of processing</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tsapanou, Angeliki</creatorcontrib><creatorcontrib>Gu, Yian</creatorcontrib><creatorcontrib>O'Shea, Deirdre</creatorcontrib><creatorcontrib>Eich, Teal</creatorcontrib><creatorcontrib>Tang, Ming-Xin</creatorcontrib><creatorcontrib>Schupf, Nicole</creatorcontrib><creatorcontrib>Manly, Jennifer</creatorcontrib><creatorcontrib>Zimmerman, Molly</creatorcontrib><creatorcontrib>Scarmeas, Nikolaos</creatorcontrib><creatorcontrib>Stern, Yaakov</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Neurosciences Abstracts</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>International journal of geriatric psychiatry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tsapanou, Angeliki</au><au>Gu, Yian</au><au>O'Shea, Deirdre</au><au>Eich, Teal</au><au>Tang, Ming-Xin</au><au>Schupf, Nicole</au><au>Manly, Jennifer</au><au>Zimmerman, Molly</au><au>Scarmeas, Nikolaos</au><au>Stern, Yaakov</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Daytime somnolence as an early sign of cognitive decline in a community-based study of older people</atitle><jtitle>International journal of geriatric psychiatry</jtitle><addtitle>Int J Geriatr Psychiatry</addtitle><date>2016-03</date><risdate>2016</risdate><volume>31</volume><issue>3</issue><spage>247</spage><epage>255</epage><pages>247-255</pages><issn>0885-6230</issn><eissn>1099-1166</eissn><coden>IJGPES</coden><abstract>Objective
This study aimed to examine the association between self‐reported sleep problems and cognitive decline in community‐dwelling older people. We hypothesized that daytime somnolence predicts subsequent cognitive decline.
Methods
This is a longitudinal study in a 3.2‐year follow‐up, with 18‐month intervals. The setting is the Washington Heights‐Inwood Community Aging Project. There were 1098 participants, who were over 65 years old and recruited from the community.
Sleep problems were estimated using five sleep categories derived from the RAND Medical Outcome Study Sleep Scale: sleep disturbance, snoring, awaken short of breath/with a headache, sleep adequacy, and daytime somnolence. Four distinct cognitive composite scores were calculated: memory, language, speed of processing, and executive functioning. We used generalized estimating equations analyses with cognitive scores as the outcome, and time, sleep categories and their interactions as the main predictors. Models were initially unadjusted and then adjusted for age, gender, education, ethnicity, depression, and apolipoprotein E‐ε4 genotype.
Results
Increased daytime somnolence (including feeling drowsy/sleepy, having trouble staying awake, and taking naps during the day) was linked to slower speed of processing both cross‐sectionally (B = −0.143, p = 0.047) and longitudinally (B = −0.003, p = 0.027). After excluding the demented participants at baseline, the results remained significant (B = −0.003, p = 0.021).
Conclusions
Our findings suggest that daytime somnolence may be an early sign of cognitive decline in the older population. Copyright © 2015 John Wiley & Sons, Ltd.</abstract><cop>England</cop><pub>Blackwell Publishing Ltd</pub><pmid>26081795</pmid><doi>10.1002/gps.4318</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Aged Aged, 80 and over Cognition & reasoning Cognition - physiology Cognition Disorders - complications Cognition Disorders - physiopathology cognitive decline Cross-Sectional Studies daytime somnolence Executive Function - physiology Female Geriatric psychiatry Geriatric psychology Humans Longitudinal Studies Male Memory - physiology Neuropsychological Tests older Sleep disorders Sleep Wake Disorders - etiology Sleep Wake Disorders - physiopathology speed of processing |
title | Daytime somnolence as an early sign of cognitive decline in a community-based study of older people |
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