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Psychological distress is associated with sleep problems and reduced physical activity, but how these factors relate over time in caregiving contexts is unclear. This study assessed within- and between-person associations among psychological distress, sleep, and physical activity in 30 older-adult caregivers using 7-day daily surveys and accelerometer data. Results showed negative affect and stress predicted shorter sleep duration and more next-day inactivity, and poorer sleep predicted increased subsequent inactivity. No significant between-person effects emerged.",{"@graph":69,"@context":123},[70,84,106],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/temporal-associations-between-daily-affect-sleep-and-physical-activity-in-family-caregivers-of-older-adults/425291/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/temporal-associations-between-daily-affect-sleep-and-physical-activity-in-family-caregivers-of-older-adults/425291.png","ImageObject",300,407,{"name":92,"@type":93},"Hazel","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-04","2026-09-28",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",11,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"What did the study examine about caregivers’ psychological distress, sleep, and activity?","Question",{"text":113,"@type":114},"It examined how psychological distress, sleep, and physical activity relate within the same person over time and whether these relationships differ between people.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"How were negative affect, stress, sleep, and physical activity measured?",{"text":118,"@type":114},"Caregivers completed daily surveys for 7 days reporting negative affect and perceived stress in the evening, and sleep quality in the morning. They also wore an accelerometer (ActiGraph GT9X-Link) to capture sleep and physical activity.",{"name":120,"@type":111,"acceptedAnswer":121},"What were the main temporal findings?",{"text":122,"@type":114},"On days with higher negative affect and stress, caregivers were more likely to have shorter sleep duration and more next-day inactivity. After shorter or poorer sleep, caregivers were more likely to spend longer being inactive.","https://schema.org",{"og:url":83,"og:type":125,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":127,"canonical":83},"index,follow",{"doc_id":129,"site_id":62},425291,1791090500,{"code":4,"msg":5,"data":132},{"doc_id":129,"user_id":133,"nickname":92,"user_avatar":134,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":8,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":81,"preview_page_count":4},137441390410,"https://ap-avatar.wpscdn.com/avatar/2000252f4ab5702993?_k=1776741390130283984","1260 Innovation in Aging, 2025, Vol. 9, No. S2  \nInformal caregiving can be psychologically taxing and may disrupt caregivers’ ability to maintain health-promoting behaviors. Psychological distress is linked to sleep problems and reduced physical activity, yet their temporal relationships remain underexplored in caregiving contexts. This study examined within- and between-person associations among psychological distress, sleep, and physical activity in caregivers of older adults (≥65 years) with chronic illness. Thirty caregivers (mean age, 57 years [SD = 10]; female, 93.3%; white race: 76.7%) completed daily surveys for 7 days, reporting negative affect (e.g., depressed, bored, irritated, dissatisfied with self, worried, and nervous), perceived stress each evening, and sleep quality each morning. Concurrently, they wore an accelerometer (ActiGraph GT9X-Link) to capture sleep and physical activity. Multilevel models accounted for person-level covariates (age, general health status, depression, sleep disorder) and day-level covariates (weekday/weekend, lagged variables). Within-person analyses showed that on the days with higher levels of negative affect and stress, caregivers were more likely to experience shorter sleep duration (B [95% CI] = -1.08 [-2 . 10, -0 .06]; -0.95 [-1 .47, -0 .43]) and to spend longer time being inactive the following day (3.08 [1.10, 5.06]; 1.41 [0.38, 2.44]) . On the days following shorter or poorer-quality sleep, caregivers were more likely to spend longer time being inactive (-0.37 [-0.65, -0.08]; 44.20 [20.97, 67.44]) . No statistically significant between-person differences were observed. These findings highlight the daily interdependence of psychological distress, sleep, and physical activity. Interventions should incorporate real-time strategies that address daily stressors, promote sleep hygiene, and encourage physical activity to support sustainable caregiver health and prevent long-term decline.  \nAbstract citation ID: igaf122.4208  \nTEMPORAL ASSOCIATIONS BETWEEN DAILY AFFECT,  \nSLEEP, AND PHYSICAL ACTIVITY IN FAMILY  \nCAREGIVERS OF OLDER ADULTS  \nSoojung Ahn, and Dabin Hwang, Boston College William F.  \nConnell School of Nursing, Chestnut Hill, Massachusetts, United States","cbCaisB8YzjqZFVt","https://ap.wps.com/l/cbCaisB8YzjqZFVt","pdf",1103856,"English","# Study background\n# Methods\n## Participants and measures\n## Statistical approach\n# Results\n## Within-person associations\n## Between-person differences\n# Implications for interventions","[{\"question\":\"What did the study examine about caregivers’ psychological distress, sleep, and activity?\",\"answer\":\"It examined how psychological distress, sleep, and physical activity relate within the same person over time and whether these relationships differ between people.\"},{\"question\":\"How were negative affect, stress, sleep, and physical activity measured?\",\"answer\":\"Caregivers completed daily surveys for 7 days reporting negative affect and perceived stress in the evening, and sleep quality in the morning. They also wore an accelerometer (ActiGraph GT9X-Link) to capture sleep and physical activity.\"},{\"question\":\"What were the main temporal findings?\",\"answer\":\"On days with higher negative affect and stress, caregivers were more likely to have shorter sleep duration and more next-day inactivity. After shorter or poorer sleep, caregivers were more likely to spend longer being inactive.\"}]","Temporal Associations Between Daily Affect, Sleep, and Physical Activity in Family Caregivers of Older Adults | PDF",1790636809]