Alex Agostini's research while affiliated with University of South Australia and other places
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Publications (10)
Background:
Boarding students face unique challenges when entering school, including: adapting to a novel environment, where they are separated from family, friends and culture, for up to 40 weeks per year. A particular challenge is sleep. A further challenge is coping with the demands of boarding with its potential impact on psychological well-be...
Background:
In adolescents, technology use at bedtime is linked to disrupted sleep and psychological distress. Adolescents are known to sleep later on weekends compared to weekdays but whether this leads to greater technology use, and, hence, additional psychological distress is not known. At greater risk maybe adolescents with a late compared to...
Background:
There is now robust evidence that when women settle to sleep on their back in late pregnancy (>28 weeks) they are at increased risk of stillbirth. Therefore, there are several stillbirth prevention programs worldwide that have begun advising pregnant women to adopt a side position when settling to sleep in late pregnancy. However, some...
Shiftworkers are more likely to suffer from gastrointestinal disease and Type 2 Diabetes than the general population, likely due to their altered dietary intakes. Previous research has suggested that coping strategies and health behaviours may be linked, however, questions remain regarding these relationships in shiftworking populations. The Standa...
Adequate sleep is essential for healthy development in childhood and adolescence. Healthy sleep contributes to good physical health, immune function, mental health, and academic performance. The regulation and architecture of sleep change greatly across childhood and adolescence, and the ability to obtain sufficient sleep is impacted by a range of...
Bullying is known to negatively impact the health of young people, but a less well appreciated sequelae is its impact on sleep. Disturbed sleep in-of-itself is known to also negatively impact health, raising the possibility that sleep disruption may explain some of the impact of bullying on health. Participants (n = 27,208, age = 9.7–17.7 years, 51...
This study examined the associations between self-reported sleep timing and quality, and the frequency of breakfast and junk food consumption in 28,010 Australian school students (mean ± SD age = 13.3 ± 1.2 years, 51% male). After controlling for age, sex and socioeconomic status, regression analyses revealed that the odds of missing breakfast were...
Studies suggest that there may be an association between sleep and growth; however, the relationship is not well understood. Changes in biology and external factors such as school schedule heavily impact the sleep of adolescents, during a critical phase for growth. This study assessed the changes in sleep across school days, weekends and school hol...
This laboratory study investigated the impact of restricted sleep during a simulated school week on circadian phase, sleep stages and daytime functioning. Changes were examined across and within days and during a simulated weekend recovery. Participants were 12 healthy secondary school students (six male) aged 15-17 years [mean = 16.1 years, standa...
Citations
... 56 However, a 2022 study of Australian mothers found that advice to monitor fetal movements did not increase anxiety. 57 Overall, evidence is insufficient to show stillbirth prevention through fetal movement monitoring in high income countries. In low and middle income countries, where delays in care may be different, evidence is scarce. ...
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... However, many shiftworkers experience barriers maintaining these healthy eating behaviours, such as environmental, biological, and social factors [21,26,27]. For example, previous research has demonstrated factors such as long working hours, a lack of breaks [28], the lack of availability of healthy food during night shifts [26], and stress [29,30] as major barriers to making healthy choices. ...
... Considering the numerous developmental changes during adolescence, such as puberty, hormonal uctuations, and social transitions, all affecting sleep habits, exploring the connection between sleep disturbances and SIB is essential in youths [20]. Research has shown that youths who died by suicide had higher rates of sleep disturbances in the week before their death in comparison to control groups [21]. ...
... Sleep is a fundamental biological process that is required for the survival and development of humans (Darchia et al., 2018;Agostini et al., 2019;Matricciani et al., 2019;Jean-Louis et al., 2020). A lack of quality sleep induces body discomfort, psychological imbalance, physical diseases, and mental disorders (Tanaka and Shirakawa, 2004;Cheng et al., 2017;Guglielmi et al., 2018). ...
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... As a result, children tend to sleep less, accumulating a sleep debt during the week that could result in a short sleep, which is prospectively associated with overweight and obesity [49 Our study observes no differences in midpoint of sleep categories of breakfast consumers, but we found they tend to have earlier bedtimes than breakfast skippers. Similar to this finding, other studies reported that schoolchildren who had later bedtimes were more likely to skip breakfast [16,50]. In addition, we found that overweight children and adolescents were less likely to have breakfast and mid-morning snack than those without overweight (Data not shown). ...
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... Further, parents may relax rules and routines that provide structure in the home (e.g., set bedtimes and mealtimes) during the summer. Preliminary research on children's obesogenic behaviors over summer suggests that sedentary behaviors increase and moderate-to-vigorous physical activity (MVPA) decreases while sleep shifts later and becomes more variable [6][7][8][9]. A recent natural experiment provides evidence this may be due to the removal of the school day during summer [10]. ...
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... In contrast, early class start times on school days impose constraints on sleep timing that can cause sleep to shift earlier and shorten due to waking up earlier [6]. The shift in sleep-wake behavior alters students' timing of light-dark exposure and may lead to resetting of their circadian clock [7][8][9][10]. If the shift in sleep behavior is too large, however, the circadian clock cannot keep pace due to its slower kinetics. ...
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