AUTHOR=Souza Ângela Maria Natal de , Fernandes Dalila Pinto de Souza , Castro Isabella Silva , Gróla Fernanda Gaspar , Ribeiro Andréia Queiroz TITLE=Sleep quality and duration and frailty in older adults: a systematic review JOURNAL=Frontiers in Public Health VOLUME=Volume 13 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1539849 DOI=10.3389/fpubh.2025.1539849 ISSN=2296-2565