Set a screen cutoff time
Pick a consistent hour to put screens away and protect the wind-down window.
Key takeaways
- What it is: Pick a consistent hour to put screens away and protect the wind-down window.
- Why it works: A defined cutoff converts a vague intention into a concrete cue, which is how behavior change actually sticks. It also reclaims a buffer between stimulation and sleep, letting both arousal and light exposure fall before you try to sleep — addressing displacement and the lights-out transition at once.
- Evidence: Backed by randomized trials / meta-analyses.
- Avoid: Setting a cutoff but keeping the phone on the nightstand, so willpower has to win every single night — and eventually doesn’t.
Why it works
A defined cutoff converts a vague intention into a concrete cue, which is how behavior change actually sticks. It also reclaims a buffer between stimulation and sleep, letting both arousal and light exposure fall before you try to sleep — addressing displacement and the lights-out transition at once.
How to do it
- 1Choose a realistic cutoff time you can keep most nights and tie it to an existing cue.
- 2Move the charger out of the bedroom so the cutoff is enforced by friction, not willpower.
- 3Have a planned non-screen activity ready so the gap doesn’t pull you back to the phone.
What the evidence says
RCT / meta-analysisImplementation intentions (a specific when/where plan) are among the most robustly supported behavior-change tools, and reducing the device’s availability raises the friction that helps a cutoff hold.
Honest caveat: The behavior-change tooling is well supported; the specific "best" cutoff hour is individual and unstudied as a number.
- — Gollwitzer & Sheeran (2006), meta-analysis of implementation intentions, Advances in Experimental Social Psychology
Common mistake
Setting a cutoff but keeping the phone on the nightstand, so willpower has to win every single night — and eventually doesn’t.
IX Coach turns the cutoff into a concrete implementation intention with a friction plan, and nudges you toward the replacement habit at the cue.
Practice this with IX Coach →