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Sleep duration, timing, and quality: how smartphone data predict labor productivity

A study analyzing smartphone-based sleep data from over 80,000 Japanese workers found associations between short and long sleep duration, sleep latency, and social jetlag with presenteeism scores. These factors can predict labor productivity loss, emphasizing the need for personalized interventions to improve sleep health.

Groundbreaking review reveals how gut microbiota influences sleep disorders through the brain-gut axis

A comprehensive review synthesizes current insights into the intricate connections between gut microbiota and sleep regulation, highlighting the crucial role of peripheral organs in modulating brain function and behavior. Disruptions in gut microbiota composition are closely linked to sleep disturbances across multiple disorders.

SourceGenomic Press·JournalBrain Medicine·TypeLiterature review·DateNov 4, 2025

Relationship between sleep and nutrition with app data: A large-scale study

A large-scale study examined the relationship between nutrients and sleep using data from people who used mobile applications to track their eating and sleeping habits. The results showed that participants with high protein, monounsaturated fatty acid, and polyunsaturated fatty acid intake had improved sleep outcomes.

Pusan National University researchers use artificial intelligence to create powerful sound-dampening materials

A new deep learning-based inverse design method allows for the optimization of complex acoustic metamaterials, reducing noise pollution while maintaining ventilation. The approach enables ultra-broadband sound attenuation across various peak frequencies.

SourcePusan National University·JournalEngineering Applications of Artificial Intelligence·TypeComputational simulation/modeling·DateAug 8, 2024

Weighted blankets do not improve sleep among children with a history of maltreatment

A recent study by University of Houston sleep expert Candice Alfano found that weighted blankets do not improve sleep for children who have experienced various types of maltreatment, including abuse or neglect. Despite the popularity of weighted blankets as a sleep aid, research has been lacking on their effectiveness in this population.

SourceUniversity of Houston·JournalJournal of Clinical Sleep Medicine·DateMay 23, 2024

Researchers use AI to predict challenging behaviors common in profound autism

A study found that gastrointestinal and sleep issues may be connected to self-injury and aggression in adolescents diagnosed with profound autism. The researchers discovered a possible connection between these health issues and future challenging behaviors, predicting next-day behavior with over 80% accuracy.

SourceRensselaer Polytechnic Institute·JournalJournal of Personalized Medicine·TypeData/statistical analysis·DateNov 6, 2023

Sleep data from over 220,000 people reveal global differences in weekly sleep variability and sleep extension

A new study analyzing over 220,000 people's sleep data shows that those in Asia have shorter sleep duration and lower quality, with more variable sleep timing on weekdays. In contrast, people in other regions tend to have longer weekend sleep extension, suggesting a cultural impact on sleep habits.

SourceNational University of Singapore, Yong Loo Lin School of Medicine·JournalSleep Medicine·TypeData/statistical analysis·DateAug 29, 2023

Poor sleep linked to years of poor cardiovascular health

A new study found that poor sleep is associated with compromised cardiovascular health in middle and old age, with men losing nearly 7 years of heart disease-free life compared to healthy sleepers. Women also experienced a significant loss of normal heart health, with up to 2 years lost due to general poor sleep.

SourceUniversity of Sydney·JournalBMC Medicine·TypeObservational study·DateMar 7, 2023

Walk then sit: A scientific recipe that helps babies stop crying

A new study published in Current Biology found that carrying crying infants for 5 minutes can promote sleep and reduce crying. The technique, known as the Transport Response, involves steady walking followed by sitting before laying the baby down to sleep. This method offers an immediate solution for parents of newborns struggling with...

SourceRIKEN·JournalCurrent Biology·DateSep 13, 2022