#3-67E. Synergizing Sweat and Sleep: The Combined Power of HICT and Behavioral Interventions (JAMA Netw Open, 2026)

Can combining high-intensity exercise with behavioral strategies unlock superior sleep outcomes compared to monotherapy? This randomized clinical trial investigated the synergistic effects of high-intensity circuit training (HICT) combined with a sleep health (SH) intervention, which utilized app-based cognitive behavioral therapy components, in 112 sedentary young women with poor sleep quality1.... The study’s most critical finding is that the combined protocol yielded significantly greater improvements in objective sleep efficiency and reductions in wake after sleep onset than either intervention alone, demonstrating a robust synergistic benefit. While these results highlight the potential of combination therapy, physicians should critically note that the participant pool was restricted to young, relatively healthy females, potentially limiting generalizability to older adults or patients with clinical insomnia and comorbidities. Nonetheless, for clinicians advising on sleep optimization, this research provides compelling evidence that a multimodal approach—integrating vigorous physical activity with targeted sleep hygiene education—may be superior to single-modality interventions, advocating for comprehensive lifestyle prescriptions in primary care settings.

Citation: Zhang B, Sun F, et al. High-Intensity Circuit Training Plus Sleep Health Intervention for Sleep Improvement. JAMA Network Open. 2026. DOI: 10.1001/jamanetworkopen.2025.56927

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