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The short and long of adolescent sleep: the unique impact of day length

Permanent lenke
https://hdl.handle.net/10037/12629
DOI
https://doi.org/10.1016/j.sleep.2017.06.018
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Åpne
article.pdf (164.4Kb)
Accepted manuscript version (PDF)
Dato
2017-07-05
Type
Journal article
Tidsskriftartikkel
Peer reviewed

Forfatter
Bartel, Kate; van Maanen, Annette; Cassoff, Jamie; Friborg, Oddgeir; Meijer, Anne Marie; Oort, Frans; Williamson, Paul; Gruber, Reut; Knäuper, Bärbel; Gradisar, Michael
Sammendrag
Study Objectives:
Variation in day length is proposed to impact sleep, yet it is unknown whether this is above the influence of behavioural factors. Day length, sleep hygiene and parent-set bedtime were simultaneously explored, to investigate the relative importance of each on adolescents’ sleep.
Methods:
An online survey was distributed in 4 countries at varying latitudes/longitudes (Australia, The Netherlands, Canada, Norway).
Results:
Overall, 711 (242 male; age M=15.7+1.6, range=12-19yrs) adolescents contributed data. Hierarchical regression analyses showed good sleep hygiene was associated with earlier bedtime, shorter sleep latency and longer sleep (ß=-.34;-.30;.32, p<.05, respectively). Shorter day length predicted later bedtime (ß=.11, p=.009), decreased sleep latency (ß=-.21, p<.001), and total sleep (ß=-.14, p=.001). Longer day length predicted earlier bedtimes (ß=-.11, p=.004) and longer sleep (ß=.10, p=.011).
Conclusions:
Sleep hygiene had the most clinical relevance for improving sleep, thus should be considered when implementing adolescent sleep interventions, particularly as small negative effects of shorter day length may be minimised through sleep hygiene techniques.
Beskrivelse
Accepted manuscript version, licensed CC BY-NC-ND 4.0. Published version available in Sleep Medicine, 38, 31-36.
Forlag
Elsevier
Sitering
Bartel, K., van Maanen, A., Cassoff, J., Friborg, O., Meijer, A. M., Oort, F., ... Gradisar M. (2017). The short and long of adolescent sleep: the unique impact of day length. Sleep Medicine, 38, 31-36. https://doi.org/10.1016/j.sleep.2017.06.018
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