Frameworks · Mind · 315

The first phone, later

Later first phone. Never in the bedroom.

PWe reviewed the research: 10,588 people were tested on it.Screens and attention

Hand-drawn diagram of framework 315, The first phone, later: Later first phone. Never in the bedroom.
Framework 315 · in one look
How to use it

For a younger brother or sister, or anyone you coach: the later the first smartphone, the better. And wherever it comes, it sleeps outside the bedroom.

How sure we are

P Evidence: promising. Good studies, but small or few. Use it and keep checking.

Sources

In 10,588 children, owning a smartphone at 12 was linked to more depression, obesity and too little sleep; getting one between 12 and 13 was linked to more problems the next year (Barzilay et al. 2026, Pediatrics, cohort, 🟡) · via Louisa Nicola.

Not medical, legal or financial advice.

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