CompletedNot Applicable

Effects of Delayed School Start Times on Sleep, Mental Health, and Academic Performance Among Norwegian Adolescents

Norway583 participantsStarted 2023-08-15

Plain-language summary

The aim is to investigate whether later school start times have positive effects on high school students' sleep patterns, mental health and daytime functioning.

Who can participate

SexALL

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Inclusion Criteria: * 1st year high school students at study preparatory program of participating schools Exclusion Criteria: * Parent consent not obtained/documented for participants under 16 years

What they're measuring

Average sleep duration on school days

Timeframe: Baseline and at the end of the school year (at about 8 months follow-up)

Preferred school start time (late vs. early Mondays and Tuesdays)

Timeframe: At the end of the school year (at about 8 months follow-up)

Daytime sleepiness on school days

Timeframe: CADSS: Baseline and at the end of the school year (at about 8 months follow-up). KSS: At the end of the school year (at about 8 months follow-up)-up

Trial details

NCT IDNCT06657482

SponsorUniversity of Bergen

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2025-06-30

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