%0 Journal Article %T Heart rate variability during sleep after two, four and seven consecutive night shifts and recovery days: a cross-over intervention study %A Jensen, Marie Aarrebo %A Hansen, Åse Marie %A Nabe-Nielsen, Kirsten %A Garde, Anne Helene %A Kristiansen, Jesper %J International Archives of Occupational and Environmental Health %V 95 %N 7 %P 1443-1451 %@ 0340-0131 %D 2022-09-01 %I Springer Berlin Heidelberg %~ DeepDyve