When families are facing dementia, it’s natural to wonder what might have helped or what could still make a difference. While there’s no single way to prevent dementia, growing research continues to point to something both simple and powerful: how we live each day matters.
A large-scale analysis of nearly 3 million people found that everyday habits—how much we move, how long we sit, and how well we sleep—can significantly influence the risk of developing dementia over time.
Small Daily Choices, Meaningful Impact
The findings are striking:
- Regular physical activity was linked to a 25% lower risk of dementia.
- Sitting for more than 8 hours a day increased risk by 27%
- Sleeping too little or too much raised risk by up to 28%
While these numbers can feel big, the takeaway is reassuring: many of these factors are within our control and can be adjusted gradually over time.
Movement Matters
You don’t need an intense workout routine to support brain health. Consistent, moderate activity, such as walking, swimming, gardening, or even dancing, can make a difference.
For many families we serve at Delaware Hospice, movement also becomes a way to connect. A short walk, time outdoors, or gentle stretching can support not only physical health, but also emotional well-being and quality of life.
The Hidden Impact of Sitting
One of the more surprising findings is the role of sedentary time. Sitting for long stretches, especially more than 8 hours a day, was associated with increased dementia risk.
In today’s world, many of us spend long hours at desks or in front of screens. Breaking that time up with small moments of movement—standing, stretching, or walking—can be a meaningful step toward better overall health.
Finding the Right Balance with Sleep
Sleep plays a more nuanced role. The research found that 7 to 8 hours per night appears to be the “sweet spot” for brain health.
Both shorter and longer sleep durations were associated with increased risk, forming what researchers call a “U-shaped” pattern. While sleep needs can vary, consistently getting restful, balanced sleep is an important part of supporting cognitive health.
Addressing sleep concerns—whether through routine, comfort, or medical support—can make a meaningful difference in daily life.
What This Means for Families
For those currently caring for a loved one with dementia, these findings may feel bittersweet. But they also offer something valuable: perspective.
Brain health is shaped over a lifetime. And even after a diagnosis, focusing on comfort, connection, and quality of life remains deeply important.
For individuals earlier in life, this research reinforces a hopeful message—healthy routines don’t have to be perfect or overwhelming. Small, consistent habits can add up over time.
A Whole-Person Approach to Care
At Delaware Hospice, we understand that dementia care is about more than managing symptoms. It’s about supporting the whole person and the people who love them.
Whether through compassionate end-of-life care, caregiver support, or guidance along the journey, our goal is to help families find comfort, dignity, and connection every step of the way.
This article is adapted from insights by Dr. Ravi Kumar.



