Measure by measure: Resting heart rate across the 24-hour cycle

• Cathy Speed ,

  Contributed equally to this work with: Cathy Speed, Robert Harle, Michael McConnell, Justin Phillips

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

  * E-mail: speedc@google.com

  Affiliations Google, Mountain View, California, United States of America, Cambridge Health & Performance, Cambridge, United Kingdom, Cardiff Metropolitan University, Cardiff, United Kingdom

  https://orcid.org/0000-0003-3049-8180

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• Thomas Arneil ,

  Roles Formal analysis

  ¶‡ TA, AW and AK also contributed equally to this work.

  Affiliation Google, Mountain View, California, United States of America

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• Robert Harle ,

  Contributed equally to this work with: Cathy Speed, Robert Harle, Michael McConnell, Justin Phillips

  Roles Formal analysis, Investigation, Methodology, Supervision, Writing – original draft, Writing – review & editing

  Affiliations Google, Mountain View, California, United States of America, Computer Laboratory, University of Cambridge, Cambridge, United Kingdom

  ⨯
• Alex Wilson ,

  Roles Formal analysis, Methodology, Writing – original draft

  ¶‡ TA, AW and AK also contributed equally to this work.

  Affiliation Google, Mountain View, California, United States of America

  ⨯
• Alan Karthikesalingam ,

  Roles Formal analysis, Writing – original draft

  ¶‡ TA, AW and AK also contributed equally to this work.

  Affiliation Google, Mountain View, California, United States of America

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• Michael McConnell ,

  Contributed equally to this work with: Cathy Speed, Robert Harle, Michael McConnell, Justin Phillips

  Roles Formal analysis, Methodology, Supervision, Writing – original draft, Writing – review & editing

  Affiliations Google, Mountain View, California, United States of America, Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, California, United States of America

  https://orcid.org/0000-0001-8743-0932

  ⨯
• Justin Phillips

  Contributed equally to this work with: Cathy Speed, Robert Harle, Michael McConnell, Justin Phillips

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

  Affiliation Google, Mountain View, California, United States of America

  https://orcid.org/0000-0003-3486-3704

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