Longitudinal study on perfectionism and sleep disturbance

Maria Helena Azevedo, Sandra Carvalho Bos, Maria João Soares, Mariana Marques, Ana Telma Pereira, Berta Maia, Ana Allen Gomes, António Macedo

Resultado de pesquisarevisão de pares

59 Citações (Scopus)

Resumo

Aim. To examine if perfectionism predicts self-reported sleep disturbances over time. Methods. The HewittFlett Perfectionism Scale was used to assess self-oriented, socially-prescribed (SPP) and other-oriented perfectionism. Sleep disturbance was evaluated with two items: difficulty in falling asleep and waking up many times during the night. Out of 870 students who participated at baseline, 592 and 305 completed the same measures 1 year (T1) and 2 years later (T2), respectively. Results. Subjects who reported insomnia at baseline, T1 and T2 (persistent insomnia) had significantly higher scores of baseline SPP (T1 M = 51.5, SD = 15.8; T2 M = 55.0, SD = 19.0) than subjects reporting, in all stages of the study, never/rarely having had sleep problems (T1 M = 41.9, SD = 11.4; T2 M = 42.2, SD = 12.3, P<0.001 in both cases). Regression analyses showed that baseline SPP was the only significant positive predictor of difficulties in falling asleep at T1 and T2 (T1 partial R=0.187; T2 partial R=0.196, P<0.001) and of difficulties maintaining sleep (T1 partial R=0.116; T2 partial R=0.244, P<0.001). Conclusion. SPP was found to be the most reliable predictor of sleep disturbances over time, which constitutes a new important finding.
Idioma originalEnglish
Páginas (de-até)476-485
Número de páginas10
RevistaWorld Journal of Biological Psychiatry
Volume11
Número de emissão2 PART 2
DOIs
Estado da publicaçãoPublicado - 2010
Publicado externamenteSim

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