Why We Can’t Stop Scrolling: The Psychology Behind Endless Social Media Use

By Elleah Pals

Insights For Youth

Written By: Elleah Pals

July 21, 2026

Introduction

If you were to ask yourself what the first thing you did this morning was, what would your answer be? For many people, it would involve checking their phone. In a 2013 CBS News Philadelphia study involving 7,000 people, 80% reported checking their smartphones within 15 minutes of waking (“80% Of People Grab Smartphone Within 15 Minutes of Waking”). While this habit often begins with simply turning off an alarm or checking the weather, it can quickly turn into mindless scrolling. Starting the day by consuming a carefully curated algorithmic feed can have lasting effects on our cognitive and psychological health, increasing anxiety and reducing our ability to focus.

Dopamine, Cortisol, and the Phone-Checking Cycle

At the heart of this digital habit is a chemical cycle driven by dopamine. While many people believe dopamine is only released when we feel happy, it actually plays a major role in motivation, anticipation, and the pursuit of rewards (Amador Loayza et al.). When we immediately reach for our phones after waking up, our brains are searching for the next unpredictable piece of information rather than enjoying a reward we’ve already received.

This dopamine-driven search overlaps with the body’s natural morning cortisol spike. Checking stressful notifications, work or school emails, or alarming news headlines immediately after waking can increase cortisol levels even further, replacing normal morning alertness with feelings of anxiety (Harmon). This combination creates an unhealthy emotional baseline that can affect the rest of the day.

As these dopamine and cortisol levels continue to interact, many people begin experiencing a stronger fear of missing out (FOMO). Instead of starting the day feeling calm and productive, they begin comparing their lives to carefully edited versions of other people’s lives online. This constant social comparison can lower self-esteem and create feelings of insecurity before the day has even begun.

Cortisol-fueled anxiety often leads people back to their phones in search of relief. Ironically, the same platforms that create these anxious feelings encourage users to continue scrolling in hopes of finding something that makes them feel better, reinforcing an unhealthy cycle (Kushlev).

How to Break the Cycle

Breaking free from endless scrolling requires intentionally creating healthier morning habits. Rather than allowing our phones to become the first thing we interact with each day, we can create small barriers between ourselves and our devices. Simple changes, such as using a traditional alarm clock or leaving your phone in another room overnight, can prevent the automatic urge to check notifications immediately after waking.

Replacing screen time with activities such as stretching, journaling, reading, praying, meditating, or simply eating breakfast without distractions allows cortisol levels to stabilize naturally (Harmon). Delaying our first digital interaction can reduce unnecessary stress and help us begin the day with greater focus and peace of mind.

Why Social Media Keeps Us Scrolling

Another major reason we struggle to stop scrolling is a psychological concept known as intermittent reinforcement, also called a variable-ratio schedule. This is the same principle used by slot machines to keep people gambling (Skinner). Each time we refresh a social media feed, we do not know what we will see next. Sometimes it’s an uninteresting post, while other times it’s an exciting video, breaking news story, or funny meme.

Because these rewards are unpredictable, our brains continue searching for the next enjoyable piece of content. This uncertainty keeps users engaged for long periods without realizing how much time has passed. Combined with recommendation algorithms that constantly personalize content, this creates an experience specifically designed to keep people scrolling.

Conclusion

Endless scrolling is more than just a bad habit—it is the result of powerful psychological and biological processes combined with intentionally engaging app design. From the moment we wake up, many digital platforms compete for our attention by influencing dopamine, cortisol, and our natural desire for social connection. Recognizing how these systems work is the first step toward taking back control. By creating healthier screen habits and practicing screen-free mornings, we can improve our focus, reduce stress, and become more present in our everyday lives.

Works Cited

Amador Loayza, Felipe, et al. “Smartphone Addiction and Its Effect on Brain Chemistry and Mental Health.” Journal of Behavioral Addictions, vol. 12, no. 3, 2024, pp. 450–62.

CBS News Philadelphia. “80% Of People Grab Smartphone Within 15 Minutes of Waking.” CBS News, 12 Apr. 2013.

Harmon, Maureen. “In the Balance.” Georgetown College of Arts & Sciences Magazine, 23 May 2025, https://college.georgetown.edu/magazine-faculty/in-the-balance/.

Kushlev, Kostadin. “Smartphone Use, Happiness, and the Dynamics of Digital Attention.” Psychology and Behavior, vol. 45, no. 2, 2025, pp. 112–25.

Skinner, B. F. Science and Human Behavior. Macmillan, 1953.