Sleep and physical activity characteristics in university students during the COVID-19 pandemic: A descriptive cross-sectional wrist actigraphy study

Autor: Runa Stefansdottir, Vaka Rognvaldsdottir, Alda O. Arnarsdottir, Thordis Gisladottir, Erlingur Johannsson, Sunna Gestsdottir, Greta Jakobsdottir

Publikováno v: Sleep Epidemiology, Vol 4, Iss , Pp 100087- (2024)

Objective: The COVID-19 pandemic impactedro a people's physical and mental health and affected countless individuals globally. University students are a subgroup that might be sensitive to changes as they are experiencing major life transition enteri

Externí odkaz: https://doaj.org/article/986e3b0ba0ce46cdb95e073e84594235

Changes in health-related lifestyle choices of university students before and during the COVID-19 pandemic: Associations between food choices, physical activity and health.

Autor: Greta Jakobsdottir, Runa Sif Stefansdottir, Sunna Gestsdottir, Vignir Stefansson, Erlingur Johannsson, Vaka Rognvaldsdottir, Thordis Lilja Gisladottir

Publikováno v: PLoS ONE, Vol 18, Iss 6, p e0286345 (2023)

The COVID-19 pandemic has had a profound effect on our lives and society, influencing both individuals' lifestyles and habits. Recent research shows that anxiety and loneliness have continued to rise, along with changes in food and lifestyle choices.

Externí odkaz: https://doaj.org/article/91ae5744a1d1438c914d3f8df6509b8c

Less physical activity and more varied and disrupted sleep is associated with a less favorable metabolic profile in adolescents.

Autor: Vaka Rognvaldsdottir, Robert J Brychta, Soffia M Hrafnkelsdottir, Kong Y Chen, Sigurbjorn A Arngrimsson, Erlingur Johannsson, Sigridur L Guðmundsdottir

Publikováno v: PLoS ONE, Vol 15, Iss 5, p e0229114 (2020)

BACKGROUND:Sleep and physical activity are modifiable behaviors that play an important role in preventing overweight, obesity, and metabolic health problems. Studies of the association between concurrent objective measures of sleep, physical activity

Externí odkaz: https://doaj.org/article/23e571247b3c44d6bee0056bada6c6a2

Changes in sleep and activity from age 15 to 17 in students with traditional and college-style school schedules

Autor: Robert J. Brychta, Kong Y. Chen, Sigridur Gudmundsdottir, Sunna Gestsdottir, Vaka Rognvaldsdottir, Erlingur Johannsson, Runa Stefansdottir

Publikováno v: Sleep Health

OBJECTIVES: Sleep duration and physical activity decline with age during adolescence. Earlier school schedules may contribute to these declines. The aim of this longitudinal study was to track changes in sleep and activity of Icelandic youth from pri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::47ece18680f02335248ac983b1b68003
https://doi.org/10.1016/j.sleh.2020.04.009

Screen Time and Body Image in Icelandic Adolescents: Sex-Specific Cross-Sectional and Longitudinal Associations

Autor: Soffia M. Hrafnkelsdottir, Robert J. Brychta, Vaka Rognvaldsdottir, Kong Y. Chen, Erlingur Johannsson, Sigridur L. Guðmundsdottir, Sigurbjorn A. Arngrimsson

Publikováno v: International Journal of Environmental Research and Public Health, Vol 19, Iss 1308, p 1308 (2022)
International Journal of Environmental Research and Public Health (IJERPH)
International Journal of Environmental Research and Public Health; Volume 19; Issue 3; Pages: 1308

Studies of adolescent body image and screen use are mostly limited to girls, and longitudinal data are scarce. We examined cross-sectional and longitudinal associations between these variables in mid-adolescent boys and girls. Data was collected when

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b0429bdf1aa1ef3ab5229889a27c857
https://www.mdpi.com/1660-4601/19/3/1308