Managing Sundown Syndrome: Effective Strategies for Caregivers

Managing Sundown Syndrome: Effective Strategies for Caregivers

Caregiving

Sundown syndrome, or “sundowning,” affects many elderly individuals, particularly those with dementia or Alzheimer’s disease. This challenging condition causes behavioral changes as daylight fades into evening. Up to 20% of people with Alzheimer’s experience sundowning symptoms. For family caregivers, managing sundown syndrome every day can be exhausting. Let’s look at some practical, evidence-based approaches to recognize, minimize and manage the effects of sundown syndrome.

Contents

What is Sundown Syndrome?

Sundown syndrome, also known as sundowning, is a set of neuropsychiatric symptoms such as confusion, anxiety, agitation, pacing, and wandering that intensify as daylight fades. These behaviors can persist well into the night, disrupting sleep patterns and causing distress.

The exact causes of sundowning are not fully understood, but several factors play a role:

  • Disruptions in circadian rhythm
  • Fatigue and exhaustion from daily activities
  • Changes in lighting and increased shadows
  • Hormonal imbalances such as decreased melatonin production

Sundowning primarily affects individuals with dementia, particularly those with Alzheimer’s disease. However, it can also occur in elderly people without dementia, especially those in care facilities or hospitals.

The biological causes of sundowning behaviors are complex. Research shows these causes may be damage to the brain’s cholinergic system and hormonal disruptions (such as problems with the hypothalamic-pituitary-adrenal (HPA) axis) that helps control stress and bodily functions. Additionally, reduced melatonin production in aging people can further disrupt normal sleep-wake cycles.

Recognize the early warning signs

Identifying the early signs of a sundowning episode can help you as a caregiver to intervene quickly and potentially prevent or minimize symptoms. Some behaviors to watch for are:

  • Increased restlessness or agitation as the day progresses
  • Mood changes, such as becoming more anxious or suspicious
  • Difficulty concentrating on tasks
  • Pacing or wandering more frequently
  • Shadowing caregivers or becoming more clingy

It’s essential to distinguish sundowning from other health issues. Unlike conditions such as delirium, sundowning symptoms typically follow a predictable pattern, worsening in the late afternoon or evening and often improving by morning.

Tracking patterns and triggers can be invaluable for managing sundowning. Keep a simple log noting:

  • Time of day symptoms appear
  • Duration of episodes
  • Potential triggers (noise, visitors, certain activities, and foods)
  • Effectiveness of interventions

This information can help identify patterns and develop targeted strategies to minimize symptoms.

Practical Management Strategies

When sundowning symptoms occur, having a toolkit to reduce symptoms can help you respond effectively and with compassion. Here are some practical approaches.

Nurse and older woman looking at a magazine

Distraction and redirection techniques

To help redirect and calm your loved one:

Calming communication approaches

Your tone of voice influences how people with Alzheimer’s respond and react, so be sure to:

  • Speak in a soft, reassuring tone
  • Use simple, clear language
  • Avoid arguing or correcting; instead, validate feelings and redirect

Gentle exercise options

Walking has been shown to reduce the symptoms of sundowning and improve sleep quality. Some ways to engage in gentle exercise with a person exhibiting sundowning include:

  • Take a short walk together (if safe and appropriate)
  • Practice seated exercises or stretches
  • Engage in simple dance movements to calming music

Crisis management for severe episodes

  • Ensure the environment is safe and remove potential hazards
  • Use calming techniques like deep breathing or gentle touch
  • If necessary, contact healthcare providers for additional support

Remember, the effectiveness of these strategies may vary. Be patient and willing to try different approaches to find what works best for your loved one.

Create a soothing environment

Environmental factors play a significant role in relieving sundowning behaviors or making them worse. Making thoughtful adjustments to the living space can create a calming atmosphere that may reduce symptoms.

Optimal lighting arrangements

  • Increase indoor lighting in the late afternoon to minimize shadows
  • Use nightlights to reduce confusion during nighttime wakings
  • Consider light therapy boxes to help regulate circadian rhythms

Noise management

  • Reduce background noise from TVs or radios in the evening
  • Use white noise machines or soft music to create a soothing ambiance
  • Encourage quiet activities as bedtime approaches

Temperature and comfort

Nurse with elderly man making crafts

Sundown syndrome is linked to changes in body temperature and activity patterns. People with this condition often have:

  • Less daytime activity
  • More nighttime activity
  • Later peak activity times
  • Higher average body temperature
  • Later peak temperature times

These changes can make their daily rhythms more irregular. To mitigate this, you should:

  • Maintain a comfortable room temperature, typically between 68°F to 72°F (or 20°C to 22°C)
  • Ensure bedding and clothing are appropriate for your loved one’s environment
  • Address any physical discomfort that might contribute to agitation

Familiar and consistent setting

  • Keep frequently used items in consistent locations
  • Display familiar objects and photos to create a sense of security
  • Minimize changes to the environment when possible

Organize the physical space

  • Remove clutter to reduce confusion and potential hazards
  • Use clear labels or signs to help with navigation
  • Consider safety measures like door alarms or motion sensors for wandering prevention

Use these environmental strategies to create a more supportive and calming atmosphere for people experiencing sundowning.

Establish effective daily routines

Aide helping woman put on pink sweater

Consistent daily schedules can significantly reduce sundowning symptoms by providing structure and predictability.

Set a consistent schedule

As a caregiver, you should aim to:

Plan meaningful activities

  • Engage in stimulating activities in the morning and early afternoon
  • Involve the person with Alzheimers in simple household tasks they enjoy
  • Encourage reminiscing with photo albums or familiar objects
  • Gradually transition to calmer activities as the day progresses
  • Avoid overstimulating events or outings in the late afternoon or evening
  • Engage in gentle, repetitive activities in the evening like folding laundry or sorting items

Meal timing and dietary considerations

Sleep hygiene practices

Woman reading in a bathtub with flower petals
Source: Styled Stock Society

Here’s a sample daily schedule to minimize sundowning triggers:

  • 7:00 AM: Wake up, morning hygiene routine
  • 8:00 AM: Breakfast and medications
  • 9:00 AM – 12:00 PM: Engaging activities (puzzles, crafts, gentle exercise)
  • 12:30 PM: Lunch
  • 1:30 PM – 3:30 PM: Quiet time or short nap
  • 3:30 PM – 5:00 PM: Light activities, increase indoor lighting
  • 5:30 PM: Light dinner
  • 6:30 PM – 8:00 PM: Relaxing activities (soft music, gentle massage, or a short walk)
  • 8:30 PM: Begin bedtime routine
  • 9:30 PM: Lights out

Remember to remain flexible. Adjust the schedule as needed based on individual preferences and symptoms.

Medical Interventions and Therapies for Sundowning Symptoms

Interventions without medicine are typically the first line of treatment for sundowning, but medication is necessary in some cases. Always consult with healthcare providers before starting a new medicine.

Medication options

Some of the medicines healthcare providers use to treat the symptoms of sundowning are:

Non-pharmaceutical approaches

Supplements and natural remedies

  • Herbal teas (chamomile, valerian root)
  • Essential oils for aromatherapy
  • Magnesium supplements (under medical supervision)

Discuss any supplements or natural remedies with a healthcare provider to ensure safety and avoid potential interactions with medications.

Addressing underlying health issues

Treating underlying conditions that may contribute to sundowning is crucial. These may include:

  • Pain or discomfort
  • Urinary tract infections
  • Sleep apnea
  • Depression or anxiety

When to consult a healthcare provider

Contact your loved one’s healthcare provider if:

  • Their symptoms significantly impact quality of life or safety
  • Non-pharmacological approaches have been ineffective
  • You have concerns about their underlying health issues

Be sure your loved one gets regular health check-ups, and have open communication with healthcare providers to help identify and address these issues promptly.

Caregiver Support

Caring for someone with sundown syndrome can be physically and emotionally demanding. Recognizing the importance of caregiver well-being is essential for sustainable, quality care.

Caregiver burnout warning signs

  • Feeling constantly exhausted or overwhelmed
  • Neglecting personal health or relationships
  • Experiencing mood swings or irritability
  • Losing interest in previously enjoyed activities

Learn how to prevent burnout before it affects your caregiving.

Respite care options

Explore respite options such as:

  • Adult day care centers
  • In-home respite services
  • Short-term residential care facilities

A study in the The Gerontologistfound that regular use of respite care services can often reduce caregiver stressand improve overall well-being.

Woman hugs a group member

Building a support network

You’re not alone in this journey. Connecting with other caregivers can help you de-stress and learn strategies to maintain your energy and mental health:

  • Join local support groups for caregivers
  • Enlist help from family members and friends
  • Consider hiring part-time professional caregivers

Self-care strategies

  • Practice stress-reduction techniques like meditation or yoga
  • Maintain a healthy diet and exercise routine
  • Set aside time for hobbies and personal interests
  • Seek professional counseling if needed

Resources for caregiver education and support

  • Alzheimer’s Association (www.alz.org)
  • National Institute on Aging (www.nia.nih.gov)
  • Local senior centers and community organizations

Managing sundown syndrome requires patience, consistency, and compassionate understanding. Each person’s experience is unique, so finding the right combination of strategies may take time. With the right approach, people experiencing sundown syndrome and their caregivers can enjoy more peaceful evenings and improved quality of life.

References

7 Tips for Coping with Sundowner’s Syndrome. (n.d.). Banner Health. Retrieved from https://www.bannerhealth.com/healthcareblog/better-me/7-tips-for-coping-with-sundowners-syndrome

Antipsychotics and other drug approaches in dementia care. (2021). Alzheimer’s Society. Retrieved from https://www.alzheimers.org.uk/about-dementia/treatments/dementia-medication/antipsychotic-drugs

Canevelli, M., Valletta, M., Trebbastoni, A., Sarli, G., Tariciotti, L., & Bruno, G. (2016). Sundowning in Dementia: Clinical Relevance, Pathophysiological Determinants, and Therapeutic Approaches. Frontiers in Medicine, 3, 73. doi.org/10.3389/fmed.2016.00073

Cardinali, D. P., Furio, A. M., & Brusco, L. I. (2010). Clinical Aspects of Melatonin Intervention in Alzheimer’s Disease Progression. Current Neuropharmacology, 8(3), 218-227. doi.org/10.2174/1570159107922462096

Food and Eating. (n.d.). Alzheimer’s Association. Retrieved from https://www.alz.org/help-support/caregiving/daily-care/food-eating

Get More Out of Sundowner Distraction Techniques. (2021). Tracy Cram Perkins. Retrieved from https://tracycramperkins.com/get-more-out-of-sundowner-distraction-techniques/

Goyer, A. (2017). 11 Ways to Manage Sundown Syndrome. Retrieved from https://www.aarp.org/caregiving/health/info-2017/ways-to-manage-sundown-syndrome.html

Jacob, D. & Kahan, S. (n.d.). How Do Cholinesterase Inhibitors Work? RxList. Retrieved from https://www.rxlist.com/how_do_cholinesterase_inhibitors_work/drug-class.htm

Kernisan, L. (2025). 5 Types of Medication Used to Treat Sundowning & Difficult Dementia Behaviors. Better Health While Aging. Retrieved from https://betterhealthwhileaging.net/medications-to-treat-difficult-alzheimers-behaviors/

Khachiyants, N., Trinkle, D., Son, S. J., & Kim, K. Y. (2011). Sundown Syndrome in Persons with Dementia: An Update. Psychiatry Investigation, 8(4), 275. doi.org/10.4306/pi.2011.8.4.275

Sample Daily Schedule for Elderly: Create a Routine for Your Loved One. (n.d.). Global One Home Care. Retrieved from https://globalonehomecare.com/sample-daily-schedule-for-elderly/

Shih, Y.H., Pai, M.C., Huang, Y.C., & Wang, J.J. (2017). Sundown Syndrome, Sleep Quality, and Walking Among Community-Dwelling People With Alzheimer Disease. Journal of American Medical Directors Association (JAMDA), 18(5):396-401. doi:10.1016/j.jamda.2016.10.016

Sleep Issues and Sundowning. (n.d.). Alzheimer’s Association. Retrieved from https://www.alz.org/help-support/caregiving/stages-behaviors/sleep-issues-sundowning

Sundown Syndrome: Causes, Treatment, and Advice for Caregivers. (2024). Neural Effects. Retrieved from https://neuraleffects.com/blog/sundown-syndrome-causes-and-treatment-options/

Sundowners Syndrome: Triggers, Symptoms & Management. (n.d.). Keystone Health. Retrieved from https://keystone.health/sundowners-syndrome

Sundowning. (n.d.). Physiopedia. Retrieved from https://www.physio-pedia.com/Sundowning

Thomas, T. & Ritter, A. (2022). Wandering & Sundowning in Dementia. Practical Neurology. Retrieved from https://practicalneurology.com/articles/2022-june/wandering-sundowning-in-dementia

Watson, S., Goodman, B. & Mitchell, K. (2024). How to Effectively Manage Sundowning. WebMD. Retrieved from https://www.webmd.com/alzheimers/manage-sundowning

Ways Caregivers Can Support Seniors in Sundowing Care. (2025). Homewatch Caregivers. Retrieved from https://www.homewatchcaregivers.com/blog/chronic-conditions/4-ways-caregivers-can-support-seniors-in-sundown/

Zarit, S. H., Kim, K., Femia, E. E., Almeida, D. M., & Klein, L. C. (2014). The Effects of Adult Day Services on Family Caregivers’ Daily Stress, Affect, and Health: Outcomes From the Daily Stress and Health (DaSH) Study. The Gerontologist, 54(4), 570-579. doi.org/10.1093/geront/gnt045

Remote Monitoring for Seniors: Ensuring Safety and Independence

Remote Monitoring for Seniors: Ensuring Safety and Independence

AI Health Tech Med Tech

As our population ages, ensuring the safety and well-being of seniors living independently has never been greater. A study by AARP shows that 77% of older adults want to age in place, making remote monitoring technologies more relevant than ever. Remote monitoring for seniors is a powerful tool that can help older adults age in place safely, and give their families and caregivers peace of mind. 

In this article, we’ll discuss the benefits and available technologies for remote monitoring for seniors, and how to implement these systems effectively.

Contents

Understanding Remote Monitoring for Seniors

Remote monitoring for seniors refers to the use of technology to track an older adult’s health, safety, and well-being from a distance. These systems allow caregivers and healthcare providers to keep an eye on seniors without being physically present, enabling quick responses to emergencies and early detection of potential health issues.

Monitoring dashboard on a desk

What are the types of remote monitoring systems?

There are several types of remote monitoring systems available for seniors:

  • Wearable devices
  • Smart home sensors

  • Video monitoring systems

  • Health tracking devices

  • Personal emergency response systems (PERS)

Each type of system serves different purposes and can be tailored to meet the specific needs of individual seniors.

Key components of an effective remote monitoring setup

An effective remote monitoring setup typically includes:

  1. Sensors or devices to collect data

  2. A central hub or gateway to process and transmit information

  3. A user interface for caregivers to access and interpret data

  4. Alert systems for emergencies or anomalies

  5. Secure data storage and transmission protocols

These components work together to create a comprehensive monitoring solution that can adapt to various care scenarios.

Benefits of Remote Senior Monitoring

Remote monitoring offers numerous advantages for both seniors and their caregivers. Let’s examine some of the key benefits.

Enhanced safety and quick emergency response

ER and urgent care entrance

One of the primary benefits of remote monitoring is improved safety for seniors. These systems can detect falls, unusual inactivity, or other emergencies and automatically alert caregivers or emergency services. 

Researchers in the UAE and the U.K. ran a study where they created a system to detect falls, and to monitor seniors and people with disabilities. The non-intrusive system uses Wi-Fi signals and AI to analyze movement patterns without cameras or wearable devices. Overall, this technology offers a promising way to improve safety and care for vulnerable populations using everyday Wi-Fi signals and smart AI analysis (Al Rajab et al., 2023).

Increased independence for seniors

Remote monitoring allows seniors to maintain their independence while still receiving necessary support. By providing a safety net, these systems give older adults the confidence to continue living in their own homes.

Reduced caregiver stress 

Older man talking to doctor on tablet - Tima Miroshnichenko
Source: Tima Miroshnichenko

For family caregivers, remote monitoring, including mobile health apps, can significantly reduce stress and anxiety (Fuller-Tyszkiewicz et al., 2020). Knowing that they can check on their loved one’s well-being at any time provides invaluable peace of mind

Cost-effectiveness compared to in-person care

Remote monitoring can be a cost-effective alternative to full-time in-person care or assisted living facilities. While initial setup costs may be significant, the long-term savings can be substantial. 

According to a report by Grand View Research, the global remote patient monitoring market is expected to reach $117.1 billion by 2025, driven in part by its cost-effectiveness. It’s expected to register a compound annual growth rate (CAGR) of 18.6% from 2024 to 2030.

Top Remote Monitoring Technologies for Seniors

Let’s explore some of the most popular and effective remote monitoring technologies available for seniors.

Wearable devices and personal emergency response systems (PERS)

Monitor attached to back of a woman's left shoulder

Wearable devices, such as smartwatches or pendants, can track vital signs, detect falls, and allow seniors to call for help with the push of a button. These devices are often waterproof and can be worn 24/7 for continuous protection.

Example: The Apple Watch Series includes fall detection and an ECG app, making it a popular choice for tech-savvy seniors.

Smart home sensors and environmental monitoring

Home video monitoring app

Smart home sensors can be placed throughout a senior’s living space to monitor movement, temperature, and other environmental factors. These sensors can detect unusual patterns that may indicate a problem.

Example: Caregiver Smart Solutions offers a system of small sensors that can be placed around the home to track daily habits and alert caregivers to changes in routine.

Video monitoring and two-way communication systems

Video monitoring systems allow caregivers to visually check in on seniors and communicate with them face-to-face. These systems are especially important for seniors with mobility issues or those who live far from family members.

Example: The GrandCare Systems platform includes video chat capabilities along with other monitoring features.

Health tracking devices and telemedicine integration

Health tracking devices can monitor vital signs, medication adherence, and other health metrics. Many of these devices integrate with telemedicine platforms, allowing healthcare providers to remotely assess a senior’s condition.

Example: The Livongo (by Teladoc Health) remote monitoring system includes a blood glucose meter and blood pressure monitor that automatically shares data with healthcare providers.

Health tracking for seniors in nursing homes

Doctor shows table to senior in blue shirt

A study published in Fusion introduced a new way to predict personal health for older people in nursing care using a model to estimate health conditions without needing special sensors. The method looks at actions in each area and combines information from different sources to make better predictions. It also uses machine learning and other smart techniques to process and combine data. 

This model works better than existing systems for tracking health without extra sensors. It could be used with wearable devices in the future to improve health monitoring for seniors (Mahmood et al., 2023).

Implementing Remote Monitoring: A Step-by-Step Guide

If you’re considering implementing a remote monitoring system for a senior loved one, follow these steps:

  1. Assess individual needs and preferences.

  2. Choose the right technology for your situation.

  3. Set up the system and ensure proper connectivity.

  4. Train seniors and caregivers on system use.

Assess individual needs and preferences

Gentleman taking his blood pressure in white shirt

Start by evaluating the senior’s specific health concerns, living situation, and personal preferences. Consider factors such as:

  • Mobility level

  • Cognitive function

  • Existing health conditions

  • Technology comfort level

  • Privacy concerns

Choose the right technology for your situation

Based on your assessment, research and select the most appropriate monitoring technology. Consider factors like:

  • Ease of use

  • Cost and ongoing fees

  • Integration with existing devices or systems

  • Customer support and reliability

Set up the system and check for proper connectivity

Blueprint and video monitoring equipment

Once you’ve chosen a system, follow these steps for setup:

  1. Install any necessary hardware or sensors.

  2. Set up the central hub or gateway.

  3. Test connectivity and ensure all components are communicating properly.

  4. Configure alert settings and user preferences.

Train seniors and caregivers 

Proper training is crucial for the success of any remote monitoring system. Be sure to:

  • Provide clear, step-by-step instructions for both seniors and caregivers.

  • Offer hands-on practice with the devices or interface.

  • Address any concerns or questions about the system.

  • Schedule follow-up training sessions as needed.

Addressing Privacy and Ethical Concerns

While remote monitoring offers many benefits, it’s essential to address privacy and ethical concerns.

security guard - credit card - shield

Balance safety with personal privacy

Striking the right balance between safety and privacy is crucial. Consider these tips:

  • Involve the senior in decisions about monitoring.

  • Use the least invasive monitoring methods that meet safety needs.

  • Establish clear boundaries for when and how monitoring will be used.

Ensure data security and protection

Protecting sensitive health data is paramount. Look for systems that offer:

  • End-to-end encryption

  • Secure cloud storage

  • Regular security updates

  • Compliance with healthcare privacy regulations (like HIPAA)

Always obtain informed consent from the senior before implementing any monitoring system:

  • Explain the purpose and functionality of the system

  • Discuss potential benefits and risks

  • Address any concerns or questions

  • Respect the senior’s right to refuse or limit monitoring

The field of remote senior monitoring is rapidly evolving. 

AI and predictive analytics

AI-powered systems can analyze data from multiple sources to predict potential health issues before they become serious. For example, researchers at the University of Missouri developed a system that uses AI to detect early signs of illness in seniors based on changes in their daily routines.

Integration with smart home ecosystems

Smart home app on tablet red gold

As smart home technology becomes more prevalent, remote monitoring systems are getting easier to integrate with these ecosystems. This allows more comprehensive monitoring and easier control of the home environment.

Advancements in non-invasive health monitoring

New technologies allow us to monitor health metrics without the need for wearable devices or invasive procedures. For instance, researchers at MIT developed a wireless device that can monitor sleep patterns and detect abnormalities without any physical contact.

Remote monitoring for seniors is a rapidly growing field that offers significant benefits for both older adults and their caregivers. By enhancing safety, promoting independence, and providing peace of mind, these technologies are helping seniors age in place with dignity and confidence. 

Before you choose a remote monitoring system, remember to carefully assess individual needs, involve your senior family members in the decision-making process, choose appropriate technology, and address privacy concerns. 

With the right approach, remote monitoring can be a valuable tool to support our elderly loved ones with the care they need while respecting their autonomy. 

References

Al-Rajab, M., Al Zraiqat, S., John, K., El Ayoubi, M. B., & Qassem, M. O. (2023). A Contactless Smart WiFi-Based Application Presence or Fall Detection System: Analyzing Channel State Information (CSI) Signals. International Journal of Emerging Multidisciplinaries: Computer Science & Artificial Intelligence; 2(1). doi.org/10.54938/ijemdcsai.2023.02.1.230

Binette, J. & Fanni, F. (2021). 2021 Home and Community Preference Survey: A National Survey of Adults Age 18-Plus. Washington, DC: AARP Research. doi.org/10.26419/res.00479.001

Diabetes made easier at no cost to you. (n.d.). Livongo. Retrieved from https://www.livongo.com/diabetes

Fuller-Tyszkiewicz, M., Richardson, B., Little, K., Teague, S., Hartley-Clark, L., Capic, T., Khor, S., Cummins, R. A., Olsson, C. A., & Hutchinson, D. (2020). Efficacy of a Smartphone App Intervention for Reducing Caregiver Stress: Randomized Controlled Trial. Journal of Medical Internet Research Mental Health; 7(7). doi.org/10.2196/17541

Grand View Research. (2024). Remote Patient Monitoring Market Size, Share & Trends Analysis Report By Product (Vital Sign Monitor, Specialized Monitor), By End-use (Hospital Based Patient, Ambulatory Patient), By Application, By Region, And Segment Forecasts, 2024 – 2030. Retrieved from https://www.grandviewresearch.com/industry-analysis/remote-patient-monitoring-devices-market

Ham, B. (2020). Wireless device captures sleep data without using cameras or body sensors. MIT News. Retrieved from https://news.mit.edu/2020/monitoring-sleep-sensors-0911

Herd, R. (2024). Technology Tips for Caregivers: How to Use Monitoring Systems for Peace of Mind. Caregiver Smart Solutions. Retrieved from https://www.caregiversmartsolutions.com/post/technology-tips-for-caregivers-how-to-use-monitoring-systems-for-peace-of-mind

How GrandCare Works. (n.d.). GrandCare Systems. Retrieved from https://www.grandcare.com/how-it-works/

Ianzito, C. (2020). Remote Monitoring Systems Can Give Caregivers Peace of Mind. AARP. Retrieved from https://www.aarp.org/caregiving/home-care/info-2020/ces-caregiving-products.html

Mahmood, H., Faleh, H., Khalid, R., & Al-Kikani, S. (2023). Physical Activity Monitoring for Older Adults through IoT and Wearable Devices: Leveraging Data Fusion Techniques. Fusion: Practice and Applications; 11(2), pp. 48-61. doi.org/10.54216/FPA.110204

Rice, S. (2016). Sensor Systems Identify Senior Citizens at Risk of Falling Within Three Weeks. University of Missouri. Retrieved from https://www.eldertech.missouri.edu/sensor-systems-identify-senior-citizens-at-risk-of-falling-within-three-weeks/