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Phones & Screens: what the research says

Your phone, their phone — and the family rules linked to calmer screen use. This page collects all 7 episodes on phones & screens — papers from 2024–2026, across meta-analysis, systematic review & meta-analysis, cross-sectional survey, cross-sectional study, within-person observational study, randomized clinical trial designs. Every episode states plainly what its study found, what it didn't prove, and one thing you can try tonight.

Sleep (3)Discipline & Praise (2)Homework & Learning (2)Family Meals (3)

Episode 12⏱ 3:24 video · 📖 1 min read

Meta-analysis Video coming soon

When Both Parents Check Their Phones, the Link Gets Stronger

Zhang et al., Journal of Medical Internet Research, 2025

Try tonight: Agree the phone-down moments together — meals and conversations — as a both-parents rule, because the link was stronger when both parents did it.

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Topics: Phones & Screens · Family Meals · DOI ↗

Episode 11⏱ 3:22 video · 📖 1 min read

Systematic review & meta-analysis Video coming soon

Screen Use at Age 4–6 Hit the Parent-Child Relationship Hardest

Harverson et al., Computers in Human Behavior, 2025

Try tonight: Convert some solo screen time into together time: co-watch, co-play, and talk about what is on the screen while it is on.

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Topics: Phones & Screens · DOI ↗

Episode 7⏱ 3:06 video · 📖 1 min read

Cross-sectional survey Video coming soon

Parents on Phones, Teens Hooked on Theirs

Ma et al., Frontiers in Psychology, 2024

Try tonight: Protect the first ten minutes — greetings, arriving home, the start of a conversation — as phone-free, for you first.

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Topics: Phones & Screens · DOI ↗

Episode 4⏱ 3:27 video · 📖 1 min read

Systematic review & meta-analysis Video coming soon

Your Phone in Front of Your Baby: What 14,900 Families Showed

Toledo-Vargas et al., JAMA Pediatrics, 2025

Try tonight: Create phone-down windows in the day — floor play, feeding and bath time — with the phone in another room, not just face-down.

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Topics: Phones & Screens · DOI ↗

Episode 3⏱ 3:16 video · 📖 1 min read

Cross-sectional study Video coming soon

The 4 Screen Rules That Were Linked to Less Problem Use in 10,048 Teens

Nagata et al., Pediatric Research, 2025

Try tonight: Pick the four rules together as a family: no screens at meals, no screens in bedrooms, never use screens as a reward or punishment, and monitor plus set clear limits.

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Topics: Phones & Screens · Family Meals · DOI ↗

Episode 2⏱ 3:12 video · 📖 1 min read

Within-person observational study Video coming soon

Teens on Phones After 10pm Fall Asleep an Hour Later

Zhao, Hale & Christakis, JAMA Pediatrics, 2026

Try tonight: Set a 20-minute phone-free buffer before bed — phones down, ideally charging outside the bedroom, for the last 20 minutes of the night.

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Topics: Sleep · Phones & Screens · DOI ↗

Episode 1⏱ 3:40 video · 📖 1 min read

Randomized clinical trial Video coming soon

No Screens in the Last Hour Made Toddlers Sleep Better

Pickard et al., JAMA Pediatrics, 2024

Try tonight: Build a bedtime box — books, puzzles, soft toys — and swap the last hour before bed from screens to the box, every night for a week.

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Topics: Sleep · Phones & Screens · DOI ↗

Questions about phones & screens

What is the strongest evidence on phones & screens here?

Episode 1 — a randomized clinical trial (Pickard et al., JAMA Pediatrics, 2024). Removing screens in the hour before bed improved toddlers' sleep in a randomized trial — better sleep efficiency and fewer night wakings, measured objectively.

What can I try tonight from the phones & screens research?

Each episode ends with one small, doable idea drawn from what its paper actually tested or observed: Episode 12: Agree the phone-down moments together — meals and conversations — as a both-parents rule, because the link was stronger when both parents did it. Episode 11: Convert some solo screen time into together time: co-watch, co-play, and talk about what is on the screen while it is on. Episode 7: Protect the first ten minutes — greetings, arriving home, the start of a conversation — as phone-free, for you first. Episode 4: Create phone-down windows in the day — floor play, feeding and bath time — with the phone in another room, not just face-down. Episode 3: Pick the four rules together as a family: no screens at meals, no screens in bedrooms, never use screens as a reward or punishment, and monitor plus set clear limits. Episode 2: Set a 20-minute phone-free buffer before bed — phones down, ideally charging outside the bedroom, for the last 20 minutes of the night. Episode 1: Build a bedtime box — books, puzzles, soft toys — and swap the last hour before bed from screens to the box, every night for a week.

How many episodes cover phones & screens, and from which years?

This page collects 7 of the 12 launch episodes, covering papers published in 2024–2026 — meta-analysis, systematic review & meta-analysis, cross-sectional survey, cross-sectional study, within-person observational study, randomized clinical trial designs.

Prefer the full list? Browse all 12 episodes or open the paper index.