2021
DOI: 10.3390/clockssleep3010008
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Light, Sleep and Performance in Diurnal Birds

Abstract: Sleep has a multitude of benefits and is generally considered necessary for optimal performance. Disruption of sleep by extended photoperiods, moonlight and artificial light could therefore impair performance in humans and non-human animals alike. Here, we review the evidence for effects of light on sleep and subsequent performance in birds. There is accumulating evidence that exposure to natural and artificial sources of light regulates and suppresses sleep in diurnal birds. Sleep also benefits avian cognitiv… Show more

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Cited by 26 publications
(14 citation statements)
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References 126 publications
(193 reference statements)
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“…Our findings for sleep behavior points to behavioral plasticity rather than genetic adaptation as the potential mechanism. Electrophysiological markers of sleep, such as electro-encephalogram and electrooculogram which provide robust, quantitative measures of sleep, can further elucidate responses to urbanization (Aulsebrook et al 2016(Aulsebrook et al , 2021. Recent advances in sleep logger miniaturization have made such electrophysiological recordings possible in the wild for even relatively small organisms (e.g., lizards; Massot et al 2019).…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Our findings for sleep behavior points to behavioral plasticity rather than genetic adaptation as the potential mechanism. Electrophysiological markers of sleep, such as electro-encephalogram and electrooculogram which provide robust, quantitative measures of sleep, can further elucidate responses to urbanization (Aulsebrook et al 2016(Aulsebrook et al , 2021. Recent advances in sleep logger miniaturization have made such electrophysiological recordings possible in the wild for even relatively small organisms (e.g., lizards; Massot et al 2019).…”
Section: Discussionmentioning
confidence: 99%
“…ALAN, comprising both amber and white light in cities, is known to alter circadian rhythms (e.g., Secondi et al 2021) and is considered to be especially detrimental to the sleep of diurnally active animals (Aulsebrook et al 2018(Aulsebrook et al , 2020. The effect of ALAN on sleep has been better studied in birds (Aulsebrook et al 2021), where studies have found evidence for its effect on sleep duration (Raap et al 2015;Ouyang et al 2017;Sun et al 2017), composition (Aulsebrook et al 2020), and timing (Dominoni et al 2014). Animals can, however, mitigate the costs of ALAN by avoiding illuminated sleep sites (Aulsebrook et al 2018;Raap et al 2018a).…”
Section: Introductionmentioning
confidence: 99%
“…Nevertheless, nocturnal light levels are still relevant for interpreting results, as well as comparing results between studies. This is true not only for nocturnal species, but also for diurnal animals whose sleep and subsequent daytime behaviour is influenced by light at night [ 4 , 29 , 30 ]. Nocturnal light conditions are influenced by many different features of an animal's habitat, including reflectance of the ground, shading from overhanging vegetation, shielding of light by rocks and mountains, attenuation by the atmosphere and water, and light pollution.…”
Section: Introductionmentioning
confidence: 99%
“…Accordingly, almost all organisms have evolved daily, monthly and annual rhythms in their biology [1][2][3]. For example, animals typically have daily rhythms in sleep and metabolism, as well as seasonal rhythms in reproduction [1,3,4]. Light influences these biological rhythms primarily via melatonin, a photosensitive hormone that is highly conserved across taxonomic groups [5].…”
Section: Introductionmentioning
confidence: 99%
“…Light perception and integration of photic information in the diurnal animals are critical for their proper adaptation to the environment, and therefore, animals can respond to daily and annual environmental change (Chmura et al, 2019 ; Hussein et al, 2021 ). Light plays a central role in modulating animal behavior and is a critical environmental factor that can affect the physiological processes, performance, and welfare of many animals and birds (Wilson and Cunningham, 1980 ; Manser, 1996 ; Deep et al, 2010 ; Fernandes et al, 2013 ; Aulsebrook et al, 2021 ). The physiological roles and effects of light include facilitating sight, regulating reproductive hormone release, and affecting social behavior.…”
Section: Introductionmentioning
confidence: 99%