Effect of blue light from electronic devices on melatonin and sleep/wake rhythms in high school children

Effect of blue light from electronic devices on melatonin and sleep/wake rhythms in high school children - Blue light and sleep in children

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

NL-OMON

Registry ID

NL-OMON45569

Enrollment

Registered

2017-11-21

Start date

2017-11-01

Completion date

Unknown

Last updated

2024-02-28

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

Conditions

delayed sleep fase

Interventions

In a regular health screening program, the GGD collects data from high school children in Amsterdam using electronical questionnaires (see https://www.jijenjegezondheidinfo.nl/). From these children

2) habitual screen use with blue-light blockers

and 3) abstinence of screen use. We will again assess sleep wake behavior (with actigraphy and sleep wake diaries), light exposure (with a brooch) and screen use (with a diary) in their home settin

Light

Melatonin

Screen

Sleep

Eligibility

Age

2 Years to 17 Years

Inclusion criteria

Inclusion criteria: * Age 11-17 * Going to high school * Fluent Dutch speaking

Exclusion criteria

Exclusion criteria: * Ocular pathology / color deficiency * The necessity to wear glasses (and no opportunity to wear contact lenses) * Use of medication known to affect sleep or the central nervous system * Alcohol use>1 glass per day * Caffeine use > 2 cups per day * Other substance use * Psychiatric, neurological or physical disorder affecting sleep-wake behavior

Design outcomes

Primary

Measure	Time frame
Sleep onset time, wake-up time, mid-sleep time, sleep duration, melatonin onset, food intake.	—

Secondary

Measure	Time frame
Calorie intake and snacking behaviour	—

Countries

The Netherlands

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)