How gut signals affect sleep and arousal

Regulation of arousability by signaling from the gut

NIH-funded research Harvard Medical School · NIH-11026705

This study looks at how what we eat affects our sleep and how easily we wake up, using fruit flies to learn more about the connection between our gut and sleep quality, which could help us understand how diet impacts sleep in people.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionHarvard Medical School NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-11026705 on NIH RePORTER

What this research studies

This research investigates how signals from the gut influence the ability to be aroused from sleep and the quality of sleep. It focuses on understanding the mechanisms that control arousability, particularly how nutritional status impacts sleep depth without altering sleep duration. By studying a specific signaling pathway in fruit flies, the research aims to uncover how protein intake affects sensory responsiveness and sleep quality. This could lead to insights into how dietary factors influence sleep in humans.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals experiencing sleep disturbances or disorders, particularly those related to aging or nutritional factors.

Not a fit: Patients who do not have sleep issues or those whose sleep disturbances are unrelated to nutritional intake may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new strategies for improving sleep quality and managing sleep disorders through dietary interventions.

How similar studies have performed: Previous research has shown promising results in understanding the relationship between nutrition and sleep, but this specific gut-to-brain signaling pathway is relatively novel.

Where this research is happening

Boston, 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.
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Last reviewed 2026-06-13 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.