Aggression and sleep: a daylight saving time natural experiment on the effect of mild sleep loss and gain on assaults

Umbach, Rebecca; Raine, Adrian; Ridgeway, Greg

doi:10.1007/s11292-017-9299-x

Cited by 5 publications

(2 citation statements)

References 53 publications

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“…Researchers have also found an effect of DST on behavior and performance (of both humans and animals), such as criminal incidence (Doleac & Sanders, 2015), aggressive assaults (Umbach et al, 2017), milk production (Niu et al, 2014), stock market returns and volatility (Kamstra et al, 2000), cyberloafing (Wagner et al, 2012), cognitive performance and risk-taking behavior (Schaffner et al, 2018), student performance (Herber et al, 2017), laboratory mix-ups (Ehlers et al, 2018) and police harassment (Wagner et al, 2016). The remaining pool of studies considers road and work safety, including road lighting conditions (Bunnings & Schiele, 2018), fatal vehicle crashes (Smith, 2016), work and traffic accidents (Robb & Barnes, 2018), construction injuries (Holland & Hinze, 2000), and even animal road kill (Ellis et al, 2016).…”

Section: Resultsmentioning

confidence: 99%

Does daylight saving time save electricity? Evidence from Slovakia

et al. 2020

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The European Union has recently decided to stop the policy of biannual clock changes in 2021. One reason is that the original rationale for the policy, energy savings, is not supported by a large portion of recent empirical studies. Whether the new permanent time will be standard time or the former daylight saving time has not been decided. Evidence on energy savings from daylight saving time is countryspecific, and each country may choose its own time. We examine the effects of the policy in a country for which no studies on daylight saving exist, Slovakia. Using hourly data from the 2010-2017 period, we apply a difference-indifferences approach and estimate energy savings to equal 0.8% of annual electricity consumption. Alternatively, extrapolating the effect from the results of a previous meta-analysis (on different countries), for Slovakia we obtain an even smaller estimate, unlikely to exceed 0.5%. Moreover, our findings suggest that daylight saving time smooths the electricity demand curve.

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Section: Resultsmentioning

confidence: 99%

Does daylight saving time save electricity? Evidence from Slovakia

et al. 2020

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“…One interpretation of our findings, in light of the broader literature, is that the sleep–aggression relationship varies as a function of the degree of recent sleep loss and potentially has a U shape. That is, greater aggression risk is observed with several hours of sleep loss across a few days, whereas extreme sleep deprivation (Alhola & Polo-Kantola, 2007; Cote et al, 2008) and temporary minor sleep loss (e.g., because of daylight savings time; Umbach et al, 2017) can decrease aggression risk. This highlights the importance of conducting research that directly compares the effects of varying manipulations of sleep deprivation on aggressive behavior to experimentally replicate current findings and confirm our hypotheses.…”

Section: Discussionmentioning

confidence: 99%

Linking Sleep and Aggression: Examining the Role of Response Inhibition and Emotional Processing

Bozzay

Verona

2022

Clinical Psychological Science

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Although sleep loss is theorized to increase aggression risk, knowledge regarding the sleep–aggression relationship or explanatory psychological processes is limited. In this study, we examined whether recent sleep duration predicted subsequent laboratory aggression and whether neurocognitive indices of attentional and motor inhibition and negative emotional processing explained the sleep–aggression relationship. Participants ( n = 141) wore Fitbit Flex devices and kept a sleep diary for 3 days. Event-related potentials were measured during an emotional-linguistic go/no-go task, followed by a laboratory aggression paradigm. Results of mixed-model repeated measures analyses of variance linked shorter sleep duration with reduced motor inhibition processing during negative and neutral word blocks and greater aggression. However, neurocognitive indices did not explain the sleep–aggression link. This is the first evidence that naturally occurring sleep loss predicts increases in laboratory aggression across the task and suggests that shorter sleepers are more vulnerable to rash action in negative and neutral contexts. Implications of these findings for understanding aggression are discussed.

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