Why Sitting Too Much and Staring at Screens Can Be a Problem

How much of your day do you actually spend sitting?

Think through yesterday, starting from when you woke up. Maybe you sat down for breakfast. Then you sat in a car or on a bus. You arrived at school and sat through your first class, and then another. Lunch may have involved more sitting. After school there might have been homework, gaming, YouTube, a show, scrolling or messaging friends. None of those things sounds particularly strange. That is exactly why sitting adds up so easily.

So sitting is not necessarily bad. Your body needs rest, and plenty of important things happen while sitting. You learn. You read. You eat with other people. You create things. You relax. The problem begins when sitting becomes what your body does for most of the day, especially when long stretches go by with almost no movement.

Then what about screen time? Screen time adds another opportunity for those stretches to grow. Twenty minutes becomes an hour surprisingly easily when you are gaming, watching videos or scrolling. School adds plenty of sitting too. By the end of the day, someone who thinks of themselves as reasonably active may have actually spent a very large part of that day barely moving.

If you exercise later, does all that sitting still matter?

Suppose you play soccer after school for an hour. You definitely moved. Your heart worked harder. Your muscles worked. That time matters. But being physically active and spending too much time sedentary are not exactly the same thing. You could have basketball practice, go for a run or ride your bike and still spend most of the rest of your waking day sitting.

The point? Being motionless for hours before or after being active squashes some of the health benefit. The solution does not require another workout. Just add a few short exercise breaks into those longer periods of sedentary time. Walk briskly down the hallway. Take the stairs. Stand up and move when you get the opportunity. At home, get off the couch between episodes. If you have been gaming for a long stretch, get up between games and actually move. You do not need to disappear from class for a 45-minute workout. That would probably make you fairly unpopular with whoever is teaching it.

Your body was built to move throughout the day. The choice is not to sit all day or become an athlete. There is a huge amount of useful movement between those two extremes, and a few minutes does not sound impressive, which may be exactly why we underestimate it.

Now we need to find out what all that sitting is doing inside the body.

Watch This

Watch this short video to learn more about sitting too much and screen time.

Why does when you use a screen matter?

A screen is a tool. Using one to research an assignment is not the same experience as scrolling through short videos for two hours. Video calling your grandparents is not the same as gaming until midnight. Simply counting every minute spent looking at a screen does not tell the whole story. One of the bigger questions is what that screen time is replacing.

Sometimes it replaces movement. You planned to go outside, but something online became more interesting. Sometimes it replaces being with other people face-to-face. Late in the evening, screens start competing with something your brain desperately needs: sleep.

You have already learned that your brain has important work scheduled while you sleep. New learning is strengthened and organized. Your brain manages emotions and prepares for another day of attention, decision-making and learning. Bright light from screens late in the evening also interferes with the normal signals that prepare your brain and body for sleep. Add something highly interesting, funny, competitive or social, and putting the device down gets even harder.

What would you change if you started noticing instead of counting?

You probably do not need a stopwatch following you around all day. You need to start noticing patterns. Notice when you have been sitting for a long time. Notice when gaming or scrolling has quietly swallowed an hour you intended to use differently. Notice when you have gone from sitting at school to sitting in a vehicle to sitting at home without giving your body much opportunity to do anything else. Sometimes the hardest part is not doing more exercise. It is simply noticing how long you have been still.

Then experiment. Walk somewhere instead of getting a ride when that makes sense. Take the stairs. Get outside. Shoot a basketball for ten minutes. Walk the dog. Stand up between gaming rounds. Put some music on and move around while doing something at home. Were you asked again to clear your room? Amazing what 10 minutes can do. Try an activity you have never done before. Like cleaning your room? 😀 Sometimes you will even discover something you actually want to do again.

The goal is not to become someone who never sits down. That would be ridiculous. Nor is it to make every screen disappear. It is to stop letting stillness become the automatic setting for most of your day.