REM Sleep Linked to Reduced Disease Risk in Study
Researchers found higher amounts of REM sleep were associated with lower risks of 83 different health conditions.
Updated on Oct. 10, 2026 in Sleep Disorders
Live Poll
Do you plan to change your sleep habits to improve your long-term health?
A study published Sept. 17, 2026, in the journal PLOS Medicine tracked 95,559 adults to examine how sleep stages influence long-term health. The research highlights the potential protective effects of REM and deep sleep against dozens of chronic conditions.
Why it matters
Understanding the relationship between sleep architecture and disease may shift how we prioritize rest as a component of preventative care. The study highlights that specific sleep stages, rather than just total duration, could be critical indicators for managing future health risks.
In a cohort study of 95,559 adults, researchers observed that greater amounts of REM sleep were associated with lower risks of 83 diseases, while deep sleep was linked to reduced risks for seven conditions. These findings remain preliminary as further research is required to determine causality.
The players
PLOS Medicine
A peer-reviewed, open-access medical journal that publishes research on global health and clinical medicine.
The details
Using deep-learning algorithms, researchers analyzed data from wrist accelerometers worn by participants for seven consecutive days. By tracking these sleep patterns over a nine-year period, the team identified specific associations between sleep architecture and health outcomes. While the study established clear links, it did not isolate the specific biological mechanisms that translate REM or deep sleep into reduced disease risk.
Timeline
Sept. 17, 2026: Study findings were published in the journal PLOS Medicine.
Health Landscape
This research shifts the conversation from simple duration targets like the National Sleep Foundation's sleep quality recommendations toward the nuanced role of specific sleep stages. It suggests that sleep architecture may be as vital as total hours for long-term health.
While this study validates the importance of getting six to eight hours of nightly sleep, it is not a reason to worry about your own specific sleep stages. If you are concerned about your sleep quality or feel it is affecting your daily life, it is worth discussing with your doctor.
The takeaway
Prioritizing a consistent sleep schedule is a foundational habit for long-term health. If you notice persistent issues with your sleep or daytime alertness, consider speaking with a physician to explore potential underlying causes.
Further reading
For more information on how sleep impacts overall well-being, visit our Sleep Disorders section.
Live Poll
Do you plan to change your sleep habits to improve your long-term health?
