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A model to study how social interaction modulates sleep in the fruit fly Drosophila melanogaster

Total Cost €


EC-Contrib. €






 SEX_FIGHT_SLEEP project word cloud

Explore the words cloud of the SEX_FIGHT_SLEEP project. It provides you a very rough idea of what is the project "SEX_FIGHT_SLEEP" about.

variety    nature    understand    functions    interactions    refined    shelter    appears    recovery    pressure    foraging    fascinating    drosophila    compete    correlate    tools    animal    stay    behaviours    fights    previously    reproduction    sleep    kingdom    thought    deprivation    rebound    paradigms    fruit    neuroscience    employing    females    mysteries    productive    specifics    night    risks    interaction    homeostasis    phylogenetically    positively    animals    combination    devote    lowering    phenomenon    least    conserved    diverse    shown    interplay    longer    male    modern    bidirectional    create    genetic    powerful    builds    software    framework    intend    species    fitness    flies    mating    food    awake    exposed    con    basis    modulates    social    universal    stimuli    reproductive    quantity    sexual    day    antagonistic    biology    males    behavioural    engaging    predators    regulated    marked    defenses    modulator    quality    despite    extend   

Project "SEX_FIGHT_SLEEP" data sheet

The following table provides information about the project.


Organization address
city: LONDON
postcode: SW7 2AZ

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Project website
 Total cost 183˙454 €
 EC max contribution 183˙454 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2015
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2017
 Duration (year-month-day) from 2017-02-01   to  2019-01-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Sleep is a fascinating phenomenon and one of the least understood mysteries of biology. It is universal among the animal kingdom and most species devote a large part of their day to sleep, despite the risks of lowering their defenses against predators or not engaging in more productive activities such as foraging or mating. In many animals, social interaction is a powerful modulator of sleep quality and quantity. In nature, animals are continuously exposed to a diverse variety of stimuli, and interactions with con-specifics represent a particularly relevant set of them. For Drosophila males, interaction with females is key to ensure reproduction, while interaction with other males can create antagonistic fights to compete for sexual partners, food or shelter. Through this project, I propose to investigate if and how social interactions affect sleep need and sleep quality. Employing fruit flies it has been previously shown that male-male interaction during the night builds up sleep pressure, observable in the next day as marked increase in sleep. Recovery of sleep after sleep deprivation is also called “sleep rebound”, and in all species it is thought to be 1) at the basis of sleep homeostasis and 2) positively correlate with sleep deprivation. The longer an animal stay awake, the higher the sleep pressure and following rebound. Also, it has been described that previous sleep experience modulates antagonistic behaviours between males. Thus, bidirectional interplay between social interaction and sleep appears as a promising framework to address a main goal of modern neuroscience, understand how sleep is regulated and which sleep functions are. I intend to use new developed behavioural paradigms and software that improve sleep analysis in combination with refined genetic tools available in Drosophila to extend our knowledge on the interaction between phylogenetically conserved behaviours, social interactions and sleep, which have a high impact on reproductive fitness.


year authors and title journal last update
List of publications.
2019 Quentin Geissmann, Luis Garcia Rodriguez, Esteban J. Beckwith, Giorgio F. Gilestro
Rethomics: An R framework to analyse high-throughput behavioural data
published pages: e0209331, ISSN: 1932-6203, DOI: 10.1371/journal.pone.0209331
PLOS ONE 14/1 2019-09-25
2017 Quentin Geissmann, Luis Garcia Rodriguez, Esteban J. Beckwith, Alice S. French, Arian R. Jamasb, Giorgio F. Gilestro
Ethoscopes: An open platform for high-throughput ethomics
published pages: e2003026, ISSN: 1545-7885, DOI: 10.1371/journal.pbio.2003026
PLOS Biology 15/10 2019-09-25
2017 Esteban J Beckwith, Quentin Geissmann, Alice S French, Giorgio F Gilestro
Regulation of sleep homeostasis by sexual arousal
published pages: , ISSN: 2050-084X, DOI: 10.7554/eLife.27445
eLife 6 2019-09-25
2019 Quentin Geissmann, Esteban J. Beckwith, Giorgio F. Gilestro
Most sleep does not serve a vital function: Evidence from Drosophila melanogaster
published pages: eaau9253, ISSN: 2375-2548, DOI: 10.1126/sciadv.aau9253
Science Advances 5/2 2019-09-25

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