sleep
A study using the mobile video game Sea Hero Quest found that men, but not women, who reported shorter sleep durations tended to perform worse on wayfinding tasks in the game. The association disappeared when men who reported sleeping fewer than 6 or more than 9 hours per night were excluded from the analysis. The findings were published in Scientific Reports. Sleep quality refers to how well a person sleeps. It encompasses aspects such as how long it takes to fall asleep, the amount of time spent in different sleep stages, the number of awakenings during a night, and how rested a person feels...
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Researchers from the University of Bern have found a significant connection between the quality of our deep sleep and how likely we are to engage in prosocial behaviors, such as cooperating with others and making charitable donations. The study shows that brain activity during deep sleep, particularly in the right temporoparietal junction, can predict prosocial tendencies in everyday life. The results have been published in The Journal of Neuroscience. Human societies thrive on cooperation and altruism, with individuals regularly participating in actions that benefit others, such as volunteeri...
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Scientists in Germany have found evidence that a single large dose of creatine, a supplement commonly embraced by athletes for physical performance enhancement, can temporarily uplift cognitive abilities diminished by lack of sleep. Published in Scientific Reports, the findings open a new chapter in understanding how dietary supplements can influence brain function under stress conditions such as sleep deprivation. Modern lifestyles often compromise sleep, leading to decreased productivity and an increase in accidents and chronic health issues. To combat these negative effects, people frequent...
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New research based on National Health and Nutrition Examination Survey data has revealed that individuals who engage in longer weekend catch-up sleep, meaning they sleep more on weekends, are significantly less likely to exhibit symptoms of depression. The association was notably stronger among men, individuals under the age of 65, and those who sleep fewer hours on weekdays. The study was published in the Journal of Affective Disorders. Depression is the most common mental disorder globally and the leading cause of disability worldwide. In the United States, statistics show that approximately...
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A recent study utilized machine learning techniques to explore the relationship between walking patterns and sleep quality. The findings suggest that individuals with lower sleep quality exhibit less variation in their pelvic tilt, particularly noticeable when initiating walking after a turn. Additionally, these individuals often struggle to maintain a consistent walking speed. The paper was published in Sleep Science. Sleep quality problems refer to issues that affect one’s ability to get enough restful and restorative sleep. Insufficient sleep leads to daytime fatigue, mood disturbances, and...
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In a recent study conducted by researchers at Stockholm University and published in the Proceedings of the Royal Society B, an intriguing connection between sleep and subjective age was found. The study’s findings suggest that the quantity of sleep we get can significantly influence our perception of age, making us feel either years younger or older than our actual age. Prior research has suggested that feeling younger than our calendar age might be beneficial for brain health, with older adults who feel younger showcasing a younger predicted brain age and larger volumes of grey matter in seve...
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In a new study spanning 18 countries, scientists have discovered a compelling link between living on greener streets and improved sleep quality. The findings have been published in the journal Environmental Research. With sleep deprivation being a significant public health issue, linked to numerous health problems such as obesity, cognitive impairments, and mental health issues, understanding its determinants is crucial. While factors like urban or rural living conditions and neighborhood quality have been studied, the role of natural surroundings, especially the type and extent of greenery ar...
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In a recent study published in theJournal of Sleep Research, researchers discovered that the patterns of light exposure throughout the day and night significantly influence the sleep quality of children. The findings indicated that the timing and duration of bright light exposure, particularly in the morning and before bedtime, are crucial factors in determining sleep duration and the time it takes to fall asleep. The motivation behind this new study was to explore further the impact of light exposure on sleep quality, given the increasing prevalence of sleep problems worldwide and their assoc...
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A new blood test has been developed that can detect with remarkable accuracy whether an individual has not slept for 24 hours. This innovative blood test, described in a publication in Science Advances, utilizes a combination of biomarkers found in the blood, achieving a 99% probability of correctly identifying sleep deprivation when compared to a well-rested state. This discovery holds significant implications for enhancing safety in critical situations, where sleep deprivation greatly increases the risk of accidents and injuries. The motivation behind this research stems from the global conc...
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New research suggests that 24-month-olds have a superior ability to recall things they observed on a screen compared to 15-month-olds, particularly if they slept within four hours after the learning session. The duration of sleep during this period directly correlated with how well they remembered the content. The paper was published in the Journal of Sleep Research. Research suggests that sleep plays a crucial role in memory consolidation, the process by which short-term memories are transformed into long-term memories. During sleep, particularly in the slow-wave and REM (rapid eye movement) ...
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