AUTHOR=Altier Heather R. , Hirsch Jameson K. , Weber Annemarie , Kohls Niko , Schelling Jörg , Toussaint Loren L. , Sirois Fuschia M. , Offenbächer Martin TITLE=Gratitude and sleep disturbance in primary care patients: the mediating roles of health self-efficacy, health behaviors, and psychological distress JOURNAL=Frontiers in Sleep VOLUME=Volume 4 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/sleep/articles/10.3389/frsle.2025.1459854 DOI=10.3389/frsle.2025.1459854 ISSN=2813-2890