Does restrictive screen use before bedtime improve sleep among young adults in the long run?

Does restrictive screen use before bedtime improve sleep in the long run? A randomised controlled trial among young adults with sleeping problems.

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN12324806

Enrollment

220

Registered

2026-02-06

Start date

2025-12-04

Completion date

Unknown

Last updated

2026-04-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

ICD-10 Version: 2019: G47.9 Sleep disorder. Nervous System Diseases

Interventions

Brief name Restricted/no use of mobile phone/screen use 30 minutes before bedtime. Why Theory: The best way to test the hypothesis is a randomized controlled trial (RCT). The RCT handles biases and c

the Health Belief Model (HBM), a sociopsychological health behaviour change model

and the transtheoretical model of health behaviour change, which posits six stages of change: precontemplation, contemplation, preparation, action, maintenance, and termination. Given that the feasib

Eligibility

Sex/Gender

All

Age

20 Years to 29 Years

Inclusion criteria

Inclusion criteria: 1. Students and former students from Swedish universities and colleges 2. Ages 20-29 years 3. The participants use iPhone or Android mobile phones 4. The participants experience sleeping problems

Exclusion criteria

Exclusion criteria: Not meeting the key inclusion criteria.

Countries

Sweden

Contacts

Public ContactIngmarie;Ingmarie Skoglund;Skoglund

;

ingmarie.skoglund@telia.com;ingmarie.skoglund@gu.se+46708594137;+46708594137

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Apr 23, 2026