Phone & screen time habits

This 30-day screen time plan helps adults change their own phone habits without chasing a fixed number. Week one adds friction and one short phone-free window, week two ties that window to a steady cue, week three extends it, and the last nine days prepare for bad days, weekends and travel. Each day asks for one small action.

Tried before and slipped back · 15-minute phone-free window after brushing teeth · every night

A step-by-step way to use your phone less without a strict limit or a detox: measure first, add friction where the reflex lives, and protect one daily phone-free window.

Grayscale has some of the better evidence among phone settings, but the effect is modest and it does not stop checking. Here is what the studies found and a one-week test you can run.

There is no single safe number of hours for adults. A better test is whether your phone use crowds out the things you want to do. Here is a five-question check you can run on your own numbers.

Constant checking is driven by cues, not by how much you like your phone. Find the cue behind most of your pickups, then remove or delay it. Includes a pickup log and a 7-day plan.

Doomscrolling is hard to stop mid-scroll because feeds have no natural end. The fix is to decide the stopping point before you start and to move news into a container that ends.

Design an evening phone plan around the moment you reach for it: change the environment, choose a replacement, and make restarting easy.

A plain summary of the intervention studies behind common screen time advice: what was tested, how big the effects were, and what the research cannot yet tell you.