June 11, 2026 · Sleep · DOI: 10.1093/sleep/zsag159

Sleep Duration Associations with CSF-Tissue Coupling Flexibility and Circadian Synchronization: An Observational Study of Glymphatic-Related Dynamics

Listen to this summary

This study investigates how habitual sleep duration affects the diurnal function of the glymphatic system, which is responsible for clearing brain waste. The authors found that individuals with longer sleep durations exhibited enhanced cerebrospinal fluid (CSF)-tissue coupling and synchronized temporal dynamics, suggesting that adequate sleep supports more efficient glymphatic-related processes that are beneficial for brain health. In contrast, those with shorter sleep durations demonstrated rigid CSF coupling and limited diurnal variation, indicating potential impairments in glymphatic function.

Min Jeong Kwon, Jaehee Kim, Jun Sung Kim, Sungman Jo, Youjung Choi, Jaeyoon Kim, Dong-Hyun Kim, Ji Won Han, Ki Woong Kim

This is one of 33,000+ journals available on OSLR. Try it free for 14 days.

Free 14-day trial. 33,000+ journals. Cancel anytime.

14-day free trial. No commitment.

"Oslr has become part of my weekly routine on my day off. The clinical relevance of the summaries is outstanding — I'd rate it 9/10. Being able to consume research hands-free is a huge advantage for busy physicians."

Dr. Jennifer Thompson

Dr. Jennifer Thompson

Portland, OR

Stay current without falling behind

33,000+ journals. 3-minute audio summaries. Free for 14 days.

Download on the App StoreGet it on Google Play