Overnight smartphone use: A new public health challenge? A novel study design based on high-resolution smartphone data

• Naja Hulvej Rod ,

  Roles Conceptualization, Formal analysis, Methodology, Project administration, Writing – original draft

  * E-mail: nahuro@sund.ku.dk

  Affiliations Section of Epidemiology, Department of Public Health, University of Copenhagen, Øster Farigmagsgade 5, DK, Copenhagen K, Denmark, Copenhagen Stress Research Centre, Copenhagen, Denmark

  http://orcid.org/0000-0002-6400-5105

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• Agnete Skovlund Dissing,

  Roles Conceptualization, Data curation, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

  Affiliation Section of Social Medicine, Department of Public Health, University of Copenhagen, Øster Farigmagsgade 5, DK, Copenhagen K, Denmark

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• Alice Clark,

  Roles Conceptualization, Methodology, Project administration, Writing – review & editing

  Affiliations Section of Epidemiology, Department of Public Health, University of Copenhagen, Øster Farigmagsgade 5, DK, Copenhagen K, Denmark, Copenhagen Stress Research Centre, Copenhagen, Denmark

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• Thomas Alexander Gerds,

  Roles Conceptualization, Formal analysis, Methodology, Supervision, Writing – review & editing

  Affiliation Section of Biostatistics, Department of Public Health, University of Copenhagen, Øster Farigmagsgade 5, DK, Copenhagen K, Denmark

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• Rikke Lund

  Roles Conceptualization, Data curation, Supervision, Writing – original draft, Writing – review & editing

  Affiliations Section of Social Medicine, Department of Public Health, University of Copenhagen, Øster Farigmagsgade 5, DK, Copenhagen K, Denmark, Center for Healthy Aging, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3B, DK, Copenhagen N, Denmark

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