Exercise training and sleep intervention significantly improve sleep; these interventions have a synergistic effect on improving sleep and cardiometabolic health https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2845130 Aerobic exercise on sleep quality in older adults with sleep problems https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2026.1743800/full