No registrations found.
ID
Source
Health condition
Late sleep phase
Sponsors and support
Academic Medical Center<br>
University of Amsterdam
Intervention
Outcome measures
Primary outcome
o Sleep onset time
o Wake-up time
o Mid-sleep time
o Sleep duration
o Melatonin onset
Secondary outcome
o Total energy intake
o Snacking frequency
Background summary
-
Study objective
-
Study design
o Sleep onset time: daily
o Wake-up time: daily
o Mid-sleep time: daily
o Sleep duration: daily
o Melatonin onset: day 7 of every measurement period
o Total energy intake: daily
o Snacking frequency: daily
Intervention
30 frequent users will be assessed in 3 conditions: 1) habitual screen use; 2) habitual screen use with blue-light blockers; and 3) abstinence of screen use. We will assess sleep wake behavior, light exposure, screen use, and melatonin onset.
Wisse P van der Meijden
Meibergdreef 47
Amsterdam 1105 BA
The Netherlands
020-5665492
slaapwaakonderzoek@gmail.com
Wisse P van der Meijden
Meibergdreef 47
Amsterdam 1105 BA
The Netherlands
020-5665492
slaapwaakonderzoek@gmail.com
Inclusion criteria
• Age 11-17
• Going to high school
• Fluent Dutch speaking
• Frequent screen use
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
Recruitment
IPD sharing statement
Followed up by the following (possibly more current) registration
No registrations found.
Other (possibly less up-to-date) registrations in this register
No registrations found.
In other registers
| Register | ID |
|---|---|
| NTR-new | NL6524 |
| NTR-old | NTR6712 |
| Other | NL59018.018.16 : METC_2016_327 |