top of page

Screen Time and Sleep: A Hidden Threat to Your Child's Heart Health

  • Writer: Walid Omar
    Walid Omar
  • Aug 18
  • 4 min read

At Omar Medical Primary Care in St Augustine , we are always looking for ways to help you and your families live healthier lives. A recent study published in the American Heart Association journal has caught my attention, and I wanted to share the key takeaways with you in a way that's easy to understand.


The study looked at the relationship between screen time—things like phones, tablets, and TV—and the health of our kids' hearts. The findings are a powerful reminder that what we do in our day-to-day lives has a big impact on our long-term health.


If you have concerns about your child's health or would like to create a personalized wellness plan for your family, we at Omar Medical encourage you to schedule an appointment with Dr. Omar Board Certified Family Physician in St Augustine, to discuss it further.


Child asleep at desk, surrounded by gray sheep and "Zzzz" symbols, conveying sleepiness. Simple, muted colors on a plain background.

What the Study Found


The most important finding is this: more screen time is directly linked to an increased risk of heart problems in children and adolescents.


This isn't just a small correlation. The research showed that for every extra hour of screen time, there was a measurable increase in risk for developing cardiometabolic issues, which can be precursors to conditions like heart disease and type 2 diabetes.


Why This Matters for Our Kids


What really stood out is how a lack of sleep makes this problem even worse. The study found that the negative health effects of screen time were significantly stronger in young people who weren't getting enough sleep. This makes perfect sense, as we know that both poor sleep and excessive screen time can disrupt the body's natural rhythms and increase inflammation.


So, it's not just about managing screen time; it's about looking at the bigger picture of our children's habits.


How to Spot a Lack of Sleep 😴


Sometimes it can be hard to know if your child or teen is sleep-deprived, as the signs aren't always what you'd expect. While adults tend to get sluggish, kids can show different symptoms that are often mistaken for something else.


Keep an eye out for these potential red flags:

  • Mood and Behavior Changes: They may become more irritable, moody, or aggressive. Younger children, especially, can become hyperactive instead of sleepy. Their emotional control can be significantly impacted, leading to more frequent meltdowns or frustration.

  • Difficulty with Focus: Sleep is crucial for brain function. A child who isn't sleeping enough may have a shorter attention span, struggle to concentrate in class, or seem to be "drifting off." This can often lead to a decline in academic performance.

  • Physical Signs: Look for things like excessive daytime sleepiness, which can mean falling asleep in the car or during a movie. They might also be hard to wake up in the morning, or seem sluggish and groggy for a while after getting out of bed. An increased appetite, especially for high-carb and sugary foods, can also be a sign.

  • Frequent Sickness: Sleep is vital for a healthy immune system. If your child seems to be getting sick more often with colds or other infections, it could be a sign that their body isn't getting the rest it needs to fight off germs.


Text "A Good Night's Rest - It Matters" on a blue background with a crescent moon and "zzz" symbols, evoking a restful night theme.

The Rewards of a Good Night's Rest


Now for the good news! When we prioritize adequate sleep for our children, the benefits are truly remarkable. It’s not just about avoiding problems; it’s about giving them a solid foundation to thrive.

  • Improved School Performance: A well-rested brain functions better. Kids who get enough sleep show improved memory, focus, and problem-solving skills. This directly translates to better grades and an easier time learning in the classroom.

  • Better Mood and Emotional Regulation: Sleep is a powerful tool for managing emotions. Kids and teens who sleep well are more likely to be less irritable and have better emotional control, reducing the risk of mood swings, anxiety, and depression.

  • Stronger Physical Health: During sleep, the body performs vital maintenance. This includes producing growth hormones essential for physical development and strengthening the immune system to help fight off illness.

  • Enhanced Decision-Making: For adolescents especially, sufficient sleep helps with the development of the frontal lobe, the part of the brain responsible for good decision-making and impulse control. This can help them make safer and smarter choices.


Dr. Omar's Takeaway and Actionable Advice


As a doctor, this research reinforces something I often tell my patients: small, consistent changes can lead to huge health benefits.


  1. Prioritize Sleep: Ensure your children are getting the recommended amount of sleep for their age. This is often the first and most effective step we can take.

  2. Set Screen Time Limits: Work with your kids to establish healthy boundaries for screen use, especially in the evenings before bed.

  3. Encourage Other Activities: Help them find activities they love that don't involve a screen, such as playing outside, reading, or spending time with family and friends.



Your Next Steps


A child's health is an important journey, and you don't have to navigate it alone. Our team at Omar Medical in Saint Augustine, Florida, is here to support you in ensuring your family's well-being.


By recognizing the signs of sleep deprivation and taking proactive measures to balance screen time, you can have a lasting, positive impact on your child's health.


To discuss your child’s health and develop a personalized plan, you can schedule an appointment with Dr. Omar, Primary Care Physician here.


For more health tips and insights:

100 Whetstone Pl, Suite 204
St. Augustine, FL 32086

Omar Medical, PLLC

100 Whetstone Pl #204

St. Augustine, FL 32086

family physician, family medicine, pcp, medical emergency, primary care, st augustine fl, saint augustine florida, omar medical, doctor walid omar, dr omar,
For Life-Threatening Emergencies Call 911
Primary Care, Family Medicine, Family Practice, omar medical, st augustine fl, saint augustine florida, Dr Walid Omar, Omar Medical, Board Certified Doctor

2018 Omar Medical, PPLC

bottom of page