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Screen Time, Social Media and Children's Mental Health

Updated November 7, 2026

Screens are part of modern childhood. What matters most is not only how much time a child spends on them, but what they do, when, and what screen use replaces.

What the concerns are

Researchers are still studying how screens affect mental health, and the effects differ from child to child. Areas where parents and professionals commonly see problems include:

• Sleep: devices in the bedroom and late-night use cut into sleep, which affects mood.
• Displacement: time on screens can replace physical activity, outdoor play, homework and time with family and friends.
• Comparison and pressure: social media can encourage comparing looks, popularity and lifestyles.
• Cyberbullying and contact with strangers.
• Content: exposure to violent, sexual or self-harm material.
• Compulsive use: difficulty stopping, and distress when devices are taken away.

Screens can also have benefits: staying in touch with friends and relatives, learning, creativity, and finding support communities, especially for young people who feel isolated.

Guidance by age

The American Academy of Pediatrics suggests avoiding screen media other than video chatting for children younger than 18 months, choosing high-quality content and watching together for toddlers, and limiting screen use for children aged 2 to 5 to about one hour a day of high-quality programming. For older children and teenagers, it recommends a family media plan with consistent limits rather than a single number.

Making a family media plan

• Agree on screen-free times and places, such as meals and bedrooms.
• Charge devices outside bedrooms overnight.
• Put homework, sleep, exercise and time together first, then fit screens around them.
• Use parental controls and privacy settings that match your child's age, and explain why.
• Talk about what your child does online and who they talk to, with curiosity rather than suspicion.
• Model the habits you want to see. Children notice adults' phone use.

Social media and teens

Talk with teenagers about how certain apps make them feel. Encourage them to unfollow accounts that make them feel worse, to take breaks, and to tell you if they see something upsetting or are being harassed. Many platforms set a minimum age of 13 in their terms of service.

Signs to take seriously

Look for warning signs such as withdrawing from in-person activities, intense distress about online interactions, secrecy combined with mood changes, falling grades, or loss of sleep. These may point to cyberbullying, anxiety or depression and are worth discussing with your child's doctor. See bullying and cyberbullying.

Sources and further reading

• American Academy of Pediatrics, HealthyChildren.org
• Centers for Disease Control and Prevention

Related guides

• Sleep and Your Child's Emotional HealthHow much sleep children need at each age, how poor sleep affects mood and behavior, and practical steps for better sleep at home.
• Bullying and Cyberbullying: Helping Your ChildSigns a child may be bullied, how to respond and work with the school, cyberbullying, and what to do if your child is the one bullying others.
• Building Healthy Self-Esteem in ChildrenWhat healthy self-esteem is, signs of low self-esteem, and everyday ways parents can help children feel capable, accepted and resilient.

This guide is general information, not medical or psychological advice. For questions about your child, talk with a pediatrician or a licensed mental health professional. In a crisis in the US, call or text 988 or call 911; elsewhere, call your local emergency number.