Blar i HVL Open på forfatter "Rögnvaldsdóttir, Vaka"
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Association between free-living sleep and memory and attention in healthy adolescents
Stefansdóttir, Runa; Gundersen, Hilde; Rögnvaldsdóttir, Vaka; Lundervold, Alexander Selvikvåg; Gestdóttir, Sunna; Gudmundsdóttir, Sigridur Lara; Chen, Kong Y.; Brychta, Robert J.; Johannsson, Erlingur (Peer reviewed; Journal article, 2020)In laboratory studies, imposed sleep restriction consistently reduces cognitive performance. However, the association between objectively measured, free-living sleep and cognitive function has not been studied in older ... -
Organized sport participation, physical activity, sleep and screen time in 16-year-old adolescents
Sævarsson, Elvar Smári; Rögnvaldsdóttir, Vaka; Stefánsdóttir, Rúna; Johannsson, Erlingur (Peer reviewed; Journal article, 2021)This study aimed to examine the association of different frequencies of organized sport participation (OSP) with physical activity, cardiorespiratory fitness, body composition, sleep, and screen time among adolescents. A ...