How sleep helps the brain clear waste

Neural Circuit Control of Fluid and Solute Clearance During Sleep

NIH-funded research University of Rochester · NIH-11161444

This project looks at whether coordinated brain activity during sleep helps move fluid and clear waste from the brain for people concerned about sleep or brain health.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionUniversity of Rochester NIH-funded
Lab location1 site (Rochester, United States)
Project IDNIH-11161444 on NIH RePORTER

What this research studies

From your point of view, researchers are studying how nerve cells, support cells, and blood vessels work together during sleep to move fluid and remove waste from the brain. The work combines brain imaging in people, experiments in mice, and computer models to trace fluid flow and the signals that control it. Teams will record brain activity and blood-vessel changes during sleep, track particles in fluid, and manipulate specific cell signals in lab studies to see how clearance changes. The goal is to connect sleep patterns and neural signals to how well the brain clears solutes across species.

Who could benefit from this research

Good fit: Ideal participants are adults who can travel to the study site for brain imaging and sleep monitoring, including healthy volunteers and people with sleep disturbances or concerns about brain health.

Not a fit: People unable to undergo imaging or sleep studies, or those with medical issues unrelated to brain clearance, are unlikely to get direct benefit from participation.

Why it matters

Potential benefit: If successful, this research could point to ways to improve sleep or develop interventions that boost the brain's waste clearance and lower risk of neurodegenerative problems.

How similar studies have performed: Animal studies have shown that sleep boosts brain clearance, but confirming and translating those findings to humans is still new and evolving.

Where this research is happening

Rochester, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.