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

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON23034

Enrollment

Registered

2017-09-26

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

Late sleep phase

Interventions

The following parameters will be measured: sleep wake behavior, light exposure, screen use, and melatonin onset. The 30 infrequent screen users from the present study will be compared to the 30 freq

Eligibility

Inclusion criteria

Inclusion criteria: • Age 11-17 • Going to high school • Fluent Dutch speaking • Infrequent screen use

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
oSleep onset time oWake-up time oMid-sleep time oSleep duration oMelatonin onset	—

Secondary

Measure	Time frame
o Total energy intake o Snacking frequency	—

Contacts

Public ContactWisse P van der Meijden

Netherlands Institute for Neuroscience, Department Sleep & Cognition

slaapwaakonderzoek@gmail.com020-5665492

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)