---
title: "Screen Time Blog: Research-Backed Guides - Page 2 - Unlockr"
source: https://unlockr.space/blog/page/2
---

# Blog
Guides on cutting screen time and breaking the checking habit, built on what research actually shows.
## Forgot Your Screen Time Passcode? How to Reset It on iPhone
iOS 27 moved the setting. How to reset the passcode on your iPhone or your child's, and what to do when your Apple Account won't work.
October 28, 2026
## Why You Keep Checking Your Phone, Even When Nothing's There
In a study that filmed real phone use, 89% of pickups started without a notification. Why the checking habit sticks, and what weakens it.
October 27, 2026
## How to Block TikTok on iPhone Without Deleting It
iOS 27 replaced App Limits with Time Allowances. Every built-in way to block TikTok, and the loophole that undoes each one.
October 26, 2026
## How to Stop Scrolling in Bed: What Sleep Research Actually Says
Scrolling in bed costs you sleep mostly through time, not blue light. Here's what actually helps.
October 25, 2026
## Does Exercise Actually Reduce Screen Time? What the Research Says
People who move more tend to struggle less with their phones. Here's what the studies show, and what they don't.
October 24, 2026
## How to Reduce Screen Time on iPhone: What Actually Works
Apple's Screen Time limits take one tap to ignore. Here's what studies show actually cuts iPhone use.
October 23, 2026