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The Surprising Health Benefits of an Extra Hour of Sleep for College Students

by 
 
Medically reviewed by 
Dr.
Amitha Kalaichandran
 
MD MHS
The Surprising Health Benefits of an Extra Hour of Sleep for College Students

In our non-stop world, where it feels like there's never enough time for everything, getting enough sleep can feel like a luxury we can't afford—especially for college students. Between cramming for exams, finishing up essays, and squeezing in some social life, sleep often takes a back seat. 

But imagine if adding just one more hour of sleep could change the game for your health and well-being. That's exactly what researchers at Penn State University have found. Their study throws a spotlight on something we often forget: sleep isn't just a timeout from our busy lives; it's a critical ingredient for our health, especially during the college years when our brains and bodies are still developing. 

This research isn't just a gentle nudge to get more shut-eye; it's a wake-up call (pun intended) about the powerful benefits of sleep. From sharpening your focus to boosting your mood, that extra hour can make a significant difference.

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The Benefits of Extended Sleep

The study emerged from a context where the importance of sleep is well-recognized but the specific benefits of extending sleep duration, particularly among young adults, were less understood. College students, known for their erratic schedules and often poor sleep habits, provided an ideal group for exploring the impact of sleep extension. 

The research sought to fill a gap by examining whether increasing sleep was feasible for this group and what health improvements could result from such an intervention. This research reveals that an extra hour of slumber each night can lead to a decrease in sleepiness, lower blood pressure, improved glucose regulation, and better hydration among college students, underscoring the critical role sleep plays in overall health and wellbeing. 

Such findings underscore the critical role of sleep in overall health and stress the potential of sleep extension as a viable strategy for young adults seeking to improve their well-being. 

Findings From The Study

Participants in the study, who were predominantly female and aged between 18 and 23, embarked on a two-week journey where the first week mapped their usual sleep patterns, and the second encouraged them to extend their sleep by an hour each night. The effects of this adjustment were meticulously monitored through actigraphy watches, hip-worn accelerometers, laboratory visits for blood pressure, heart rate, and metabolic response assessments, as well as urine analysis for hydration status and the Epworth Sleepiness Scale for measuring daytime sleepiness.

The findings were both significant and surprising. On average, the college students managed to extend their sleep by about 43 minutes per night, leading to a notable decrease in self-reported sleepiness. More striking were the physiological benefits observed: a significant decrease in systolic blood pressure and an improvement in glucose regulation, suggesting a direct link between additional sleep and heart health, as well as diabetes prevention. 

The study also revealed an improvement in hydration status, an essential factor for kidney function and cognitive performance.

Diagnostic Tools for Sleep Disorders

For individuals experiencing persistent sleep disturbances, understanding and diagnosing the underlying issues is crucial. Advanced diagnostic tools, such as the Sleep and Stress Panel by Ayumetrix and the UDH II profile by ZRT Laboratory, play a vital role in this process. 

These tests offer detailed insights into diurnal cortisol and melatonin levels, as well as the diurnal patterns of melatonin, cortisol, and cortisone, providing a comprehensive view of an individual's sleep/wake cycle. Such diagnostic capabilities are instrumental in developing personalized treatment plans, highlighting the importance of professional evaluation in managing sleep-related issues.

Limitations and Future Directions

While the study's findings are promising, its small sample size and lack of a randomized design suggest that further research in larger, more diverse populations is necessary to confirm these benefits. Additionally, a decrease in physical activity levels during the sleep extension week raises questions about the balance between increased sleep and maintaining adequate physical activity.

The Path Forward

The study opens the door to exploring the feasibility of longer sleep extension interventions and identifying effective strategies to promote sustained sleep improvement across different demographics. Investigating ways to simultaneously increase sleep duration and physical activity levels could offer comprehensive health benefits.

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Health Benefits of an Extra Hour of Sleep: Key Takeaways

This pioneering study emphasizes the multiple health benefits that an additional hour of sleep can provide for college students, from improved heart health and metabolic responses to better hydration. As research continues to uncover the profound impact of sleep on health, the importance of prioritizing sleep in young adults' lives becomes ever more apparent. With further investigation, the findings could pave the way for new recommendations on sleep habits, potentially transforming the well-being of college students and other populations at risk of sleep deprivation.

The information provided is not intended to be a substitute for professional medical advice. Always consult with your doctor or other qualified healthcare provider before taking any dietary supplement or making any changes to your diet or exercise routine.
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Lab Tests in This Article

1. Dolan, E. W. (2024, January 21). An extra hour of sleep brings multiple health benefits for college students, study finds. PsyPost. https://www.psypost.org/2024/01/an-extra-hour-of-sleep-brings-multiple-health-benefits-for-college-students-study-finds-220886

2. Maholy, N. (2023, July 17). Top Labs to Run Bi-Annually on Your Patients Experiencing Sleep Disorders. Rupa Health. https://www.rupahealth.com/post/top-labs-to-run-bi-annually-on-your-patients-experiencing-sleep-disorders

3. Mathew, G. M., Nahmod, N. G., Master, L., Reichenberger, D. A., Rosinger, A. Y., & Chang, A.-M. (2023). Effects of a 1-hour per night week-long sleep extension in college students on cardiometabolic parameters, hydration status, and physical activity: A pilot study. Sleep Health. https://doi.org/10.1016/j.sleh.2023.10.006

4. Sleep and Stress Panel by Ayumetrix. (n.d.). Rupa Health. Retrieved February 7, 2024, from https://www.rupahealth.com/lab-tests/ayumetrix-sleep-and-stress-panel

5. UDH II by ZRT Laboratory. (n.d.). Rupa Health. Retrieved February 7, 2024, from https://www.rupahealth.com/lab-tests/zrt-laboratory-sleep-balance-profile

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