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Experts Caution: Time Change Disrupts Sleep and Could Impact Health as Daylight Saving Time Concludes

The Impact of Daylight Saving Time on Sleep: What You Need to Know

As Daylight Saving Time approaches and clocks fall back an hour, many revel in the prospect of an extra hour of sleep. However, experts caution that even minor shifts in our sleep schedules can significantly affect our health and well-being.

Understanding the Importance of Sleep

“Sleep is one of the key pillars of health, just like diet and exercise,” says Dr. Mary Ellen Wells, director of Neurodiagnostic and Sleep Science at the UNC-Chapel Hill School of Medicine. This foundational aspect of health is often underestimated, yet it plays a crucial role in our overall well-being.

How Time Changes Affect Our Internal Rhythms

While turning back the clock may seem harmless, it can disrupt our body’s internal rhythms. Dr. Wells explains that any alteration to our sleep schedule, even by just an hour, can have profound effects on our health. When our internal clocks are thrown off, it can lead to a series of long-term issues.

Potential Health Risks

Over time, these sleep disruptions can increase the risk of various health problems. Research suggests a connection between irregular sleep patterns and cardiovascular issues, strokes, heart attacks, diabetes, and obesity. Additionally, inconsistencies in sleep can adversely affect our mood, focus, and energy levels, making it crucial to prioritize sleep quality as well as quantity.

The Significance of Sleep Quality

“It’s not only about the amount of sleep that we are getting; it’s also about the quality of sleep,” Dr. Wells emphasizes. Good quality sleep is essential for recovery, memory consolidation, and emotional regulation. As such, maintaining both sleep duration and quality should be a top priority.

Tips for Better Sleep Habits

To keep your sleep patterns in check, Dr. Wells offers several recommendations:

  1. Consistent Schedule: Adhering to regular bedtime and wake-up times, even on weekends, can help your body adjust more seamlessly to time changes.

  2. Pre-Bedtime Routine: Avoid heavy meals, caffeine, and screen time before hitting the hay to promote a more restful night.

  3. Morning Sunlight: Exposure to natural light in the morning assists in regulating your body’s internal clock, helping you stay alert during the day and sleep better at night.

The Role of Sleep-Tracking Devices

With the rise of sleep-tracking gadgets like smart rings and watches, one might wonder how effective these devices truly are. Dr. Wells suggests that while technology offers insights, it may not accurately reflect sleep quality. Instead, she advises paying close attention to how you feel upon waking.

Seeking Help for Sleep Disorders

If you find yourself struggling with sleep, it’s worth consulting a professional. Dr. Wells points out that nearly 100 recognized sleep disorders are treatable, and seeking help can lead to significant improvements in your sleep quality.

Staying Informed

As we navigate the transition back to standard time, being aware of the implications for our sleep can empower us to make positive changes. Understanding the importance of sleep, recognizing the risks of disrupted patterns, and adopting healthy sleep habits are essential steps to ensure well-being in this season of change.

For more insights on related topics, check out resources that discuss the risks associated with changing seasons, such as the increased likelihood of deer-related crashes when Daylight Saving Time ends.


By prioritizing sleep and being mindful of changes in our schedules, we can cultivate better health, mood, and overall quality of life.

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