Clara Hozer

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I’m a primatologist specialized in chronobiology. My research aims to investigate how sleep and circadian rhythms exhibit plasticity in response to a range of social and ecological factors, and how they, in turn, influence other biological functions such as behaviour, physiology, cognition and fitness.
I have extensive expertise in two primate species: the gray mouse lemur (Microcebus murinus) and the chimpanzee (Pan troglodytes) in laboratory and in the field.

Experience

  • 2025–present
    Postdoctoral associate, Muséum Nationale d'Histoire Naturelle
  • 2022–2025
    Postdoctoral fellow, Université de Neuchâtel, Suisse
  • 2017–2021
    PhD, Muséum Nationale d'Histoire Naturelle

Education

  • 2021 
    Muséum d'Histoire Naturelle, Doctorat/Ecophysiologie

Publications

  • 2026
    Hozer C, Freymond N, Ahabwe F, Cirulnikow M, Samson D, Zuberbühler, K. (2026) Rank and social context influence sleep in wild chimpanzees. Current Biology 36, 1–10,
  • 2024
    Le Tallec T*, Hozer C*, Perret M, Thierry M. (2024) Light pollution and habitat fragmentation in the grey mouse lemur. Scientific Reports 14, 1662 ,
  • 2023
    Hozer C, Perret M. (2023) Photorefractoriness and recovery of photosensitivity in a seasonal non-human primate (Microcebus murinus). International Journal of Primatology 44(6):1-19,
  • 2022
    Hozer C, Pifferi F. (2022) Relationships between endogenous circadian period, physiological and cognitive parameters and sex in aged gray mouse lemurs (Microcebus murinus). Chronobiology International 39:3, 363-373,
  • 2021
    Tournissac M, Vrabic N, Vu T-M, Hozer C, Tremblay C, Planel E, Pifferi F, Calon F. (2021) Repurposing beta-3 adrenergic receptor agonists for Alzheimer’s disease: beneficial effects in a mouse model. Alzheimer's Research & Therapy 13:103,
  • 2020
    Hozer C, Perret M, Pavard S, Pifferi F. (2020) Survival is reduced when endogenous period deviates from 24 h in a non human primate, supporting the circadian resonance theory. Scientific Reports 10,18002 2. Hozer C, Pifferi F. (2020),
  • 2020
    Hozer C, Pifferi F. (2020) Physiological and cognitive consequences of a daily 26 h photoperiod in a primate: exploring the underlying mechanisms of the circadian resonance theory. Proceedings of the Royal Society B 287: 20201079,
  • 2019
    Hozer C, Aujard F, Pifferi F, Perret M. (2019) The Biological Clock in Gray Mouse Lemur: Adaptive, Evolutionary and Aging Considerations in an Emerging Non-human Primate Model. Frontiers in Physiology (10)1-13,

Grants and Contracts

  • 2024
    Société Francophone de Primatologie
    Role:
    Research grant
    Funding Source:
    Société francophone de primatologie
  • 2024
    Leakey FOundation
    Role:
    Resaerch grant
    Funding Source:
    Leakey Foundation
  • 2022
    Fondation Fyssen
    Role:
    Bourse post-doctorale
    Funding Source:
    Fondation Fyssen

Contact Clara for

  • General
  • Media request
  • Speaking request
  • Consulting / Advising
  • Research collaboration
  • Research supervision