1995
DOI: 10.1016/0166-4328(95)00002-b
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Energy conservation and sleep

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Cited by 214 publications
(127 citation statements)
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References 54 publications
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“…A number of proposals stem from the negative correlation observed between sleep and body weight across mammalian species (Zepelin 1994). Since animals with lower energy reserves tend to sleep more, sleep might serve the purpose of reducing total caloric expenditure, thereby conserving energy (Zepelin 1994;Berger and Phillips 1995). Studies of sleep deprivation in humans tend to support the idea that sleep plays a role in metabolism: sleep loss results in impaired glucose tolerance (Spiegel et al 1999) and changes in appetite-stimulating/suppressing hormones such as leptin and ghrelin (Spiegel et al 2004a,b).…”
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confidence: 99%
“…A number of proposals stem from the negative correlation observed between sleep and body weight across mammalian species (Zepelin 1994). Since animals with lower energy reserves tend to sleep more, sleep might serve the purpose of reducing total caloric expenditure, thereby conserving energy (Zepelin 1994;Berger and Phillips 1995). Studies of sleep deprivation in humans tend to support the idea that sleep plays a role in metabolism: sleep loss results in impaired glucose tolerance (Spiegel et al 1999) and changes in appetite-stimulating/suppressing hormones such as leptin and ghrelin (Spiegel et al 2004a,b).…”
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confidence: 99%
“…Entretanto, uma versão afirma que o sono reduz o metabolismo abaixo do gasto durante a vigília, e outra, que o sono limita o gasto energético, sendo que ambas permitiriam um balanço energético positivo 37,46 . O exercício, portanto, facilitaria o sono por aumentar o gasto energético durante a vigília e isto aumentaria a necessidade de sono, de forma que se possa alcançar um balanço energéti-co positivo e se restabeleça a condição adequada para um novo episódio de vigília 47 .…”
Section: Exercício E Sonounclassified
“…A variety of benefits have been proposed for sleep, including benefits related to memory consolidation, energy conservation and immune function (Meddis 1983;Zepelin et al 1989;Berger & Phillips 1995;Stickgold 2005;Lesku et al 2006;Capellini et al 2009;Preston et al 2009). One recent comparative study, for example, found that the number of white blood cells covaries positively with sleep durations across species ), while other studies found that sleep characteristics covary with aspects of brain size (Lesku et al 2006;Capellini et al 2009).…”
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confidence: 99%
“…Lima et al 2005). Based on comparative studies in mammals, it appears that predation influences sleep patterns, at least in terms of sleep durations (Allison and Cicchetti 1976;Berger & Phillips 1995;Lesku et al 2006;Capellini et al 2008a). Evidence also exists for changes in prey sleep patterns when individuals are exposed to predators (e.g., Lesku et al 2008).…”
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confidence: 99%