TEENSLEEP: Improving educational attainment through delayed school start time and sleep education

Comparing the effect of a delayed school start time, sleep education, both and teaching-as-usual on examination performance in 14 to 16 year olds: a factorial cluster randomised controlled trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN72460090

Enrollment

100

Registered

2015-04-21

Start date

2015-04-22

Completion date

Unknown

Last updated

2021-05-24

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

Conditions

Academic performance in year 10 and 11 pupils. Not Applicable

Interventions

There are 3 intervention arms: 1. One arm will receive a delay in the school start day, starting at 1000 and finishing at 1600. This will be implemented in the academic year 2016/17.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Secondary schools across England will be eligible to take part in the study if they agree to all of the study requirements.

Exclusion criteria

Exclusion criteria: In the sub-sample of 20 pupils in each school, pupils will be excluded is they report a sleep disorder, any other psychological disorder, physiological disorders which may interfere with sleep, heart-rhythm abnormalities, excessive caffeine consumption or use of drugs know to affect sleep or the central nervous system.

Design outcomes

Primary

Measure	Time frame
GCSE scores	—

Secondary

Measure	Time frame
Secondary measures will look at sleep quality, sleepiness, chronotype and general well-being. This data will be gathered via survey comprising 4 questionnaires. 1. Sleep quality will be measured using the Sleep Condition Indicator (SCI) 2. Daytime sleepiness will be measured using the Cleveland Adolescent Sleepiness Questionnaire 3. Chronotype will be measured using the Munich Chronotype Questionnaire (MCTQ) 4. Well-being will be measured using Kidscreen-27 Ideally these will be delivered online, but paper versions will be available. These questionnaires will be administered twice in the first year of the study (once in January 2016 and again in June 2016) and 3 times in the following years in September, April and June. At the end of each academic year we will be asking schools to provide data on attendance, reason for non-attendance, disruptive behaviour/ exclusions and number of pupils requiring additional support. The following will be collected from a sub-sample of pupils (20 pupils from each school) via bracelet sleep monitors: 1. Heart-rate 2. Temperature 3. Sleep-wake patterns	—

Measure

Time frame

Secondary measures will look at sleep quality, sleepiness, chronotype and general well-being. This data will be gathered via survey comprising 4 questionnaires. 1. Sleep quality will be measured using the Sleep Condition Indicator (SCI) 2. Daytime sleepiness will be measured using the Cleveland Adolescent Sleepiness Questionnaire 3. Chronotype will be measured using the Munich Chronotype Questionnaire (MCTQ) 4. Well-being will be measured using Kidscreen-27 Ideally these will be delivered online, but paper versions will be available. These questionnaires will be administered twice in the first year of the study (once in January 2016 and again in June 2016) and 3 times in the following years in September, April and June. At the end of each academic year we will be asking schools to provide data on attendance, reason for non-attendance, disruptive behaviour/ exclusions and number of pupils requiring additional support. The following will be collected from a sub-sample of pupils (20 pupils from each school) via bracelet sleep monitors: 1. Heart-rate 2. Temperature 3. Sleep-wake patterns

—

Countries

United Kingdom

Contacts

Public ContactChristopher-James Harvey

christopher-james.harvey@ndcn.ox.ac.uk+44 (0)1865 234 957

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026