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Sleep Deprivation Diminishes Cognitive Benefits of Physical Activity

A New Study's Perspective on Sleep & Exercise

Regular physical activity may protect against cognitive decline as we age, but this protective effect may be diminished for people who are not getting enough sleep, reveals Dr. Mikaela Bloomberg, the lead author of a groundbreaking study published in The Lancet Healthy Longevity. The research, conducted at University College London (UCL), aims to understand the combined effects of sleep and physical activity on cognitive health, emphasizing the importance of considering these two factors together, a focus that aligns with Neurobit's mission.

Sleep and physical activity are two crucial factors for maintaining cognitive health. As the global population ages, cognitive decline and diseases like dementia are becoming increasingly prevalent, making the need for effective preventative measures more urgent than ever. Neurobit's focus on innovative sleep health solutions aligns with this need, as we strive to understand and address the complex interactions between sleep, physical activity, and cognitive health.

The UCL study examined cognitive function over 10 years in 8,958 people aged 50 and over in England. The researchers found that individuals who were physically active but slept less than six hours on average experienced faster cognitive decline. After a decade, their cognitive function was equivalent to those who did less physical activity. This finding underscores the importance of adequate sleep in reaping the cognitive benefits of physical activity.

The implications of this research are significant, highlighting that regular physical activity may not always be sufficient to counter the long-term effects of lack of sleep on cognitive health. This insight is crucial for Neurobit, as our solutions are designed to optimize both sleep quality and duration, thereby potentially enhancing the cognitive benefits of physical activity.

The study relied on participants self-reporting their sleep duration and physical activity, which could introduce bias. Additionally, the research focused on a specific population (people aged 50 and over in England), limiting the generalizability of the findings. Neurobit's solutions, such as the Z3 Pulse wearable ECG device, can provide more accurate and objective measures of sleep and physical activity, addressing these limitations.

Neurobit's Solutions:

  • Neurobit Score: Our AI and deep learning platform can provide accurate sleep event labeling, helping researchers and clinicians better understand the relationship between sleep and cognitive health.

  • Z3 Pulse: This wearable ECG device provides comprehensive sleep reports and personalized guidance, helping users optimize their sleep and potentially enhance the cognitive benefits of physical activity.

  • Neurobit Hub: This platform facilitates the collection and analysis of extensive datasets, promoting the discovery of novel biomarkers and sleep-centric treatment strategies.

The UCL study underscores the importance of considering sleep and physical activity together when thinking about cognitive health. Neurobit's technology can help in addressing these related issues, providing benefits for users, clinicians, and researchers.

We warmly invite you to learn more about our innovative solutions and how they can contribute to your cognitive health. For more information, please reach out:


Bloomberg, M., Brocklebank, L., Hamer, M., & Steptoe, A. (2023). Joint associations of physical activity and sleep duration with cognitive ageing: Longitudinal analysis of an English cohort study. The Lancet Healthy Longevity, 4(7), e345–e353.

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