About the Authors

Daniel P. Zitterbart

daniel.p.zitterbart@physik.uni-erlangen.de

Affiliations Department of Physics, University of Erlangen-Nuremberg, Erlangen, Germany, Alfred Wegener Institute for Polar and Marine Research (AWI), Bremerhaven, Germany

Barbara Wienecke

Affiliation Australian Antarctic Division, Kingston, Australia

James P. Butler

Affiliations Molecular Integrative Physiological Sciences Program, Harvard School of Public Health, Boston, Massachusetts, United States of America, Division of Sleep Medicine, Department of Medicine, Harvard Medical School and Brigham and Women's Hospital, Boston, Massachusetts, United States of America

Ben Fabry

Affiliation Department of Physics, University of Erlangen-Nuremberg, Erlangen, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DPZ. Performed the experiments: DPZ. Analyzed the data: DPZ BF. Contributed reagents/materials/analysis tools: DPZ. Wrote the paper: DPZ BF. Gave conceptual advice: BW JPB.