Sleep

Two Nights of Total Sleep Deprivation Drive Up Anxiety but One Recovery Night Brings It Back to Baseline Soldiers in large-scale combat operations often go days without meaningful sleep. A new study from the Walter Reed Army Institute of Research provides the clearest evidence yet that this kind of severe sleep loss directly raises anxiety […]

What You Eat Shapes How You Sleep: Dr. Marie-Pierre St-Onge on the Food-Sleep-Heart Connection The relationship between diet and sleep is bidirectional, and it runs through the cardiovascular system. In a new episode of the Better Sleep Council podcast Catching Zzz’s, Dr. Marie-Pierre St-Onge, founding director of the Center of Excellence for Sleep and Circadian […]

Music Helps Sleep Onset in Insomnia, but Neural Synchronization May Not Be Why Sleep-onset insomnia affects a large portion of the modern population, and many people already reach for music as a self-treatment. A new study from Aarhus University provides rigorous EEG evidence that listening to music does accelerate the transition from wakefulness to sleep […]

Dreaming Under Anesthesia: A Century of Evidence, Finally Reviewed Patients have reported dreaming during surgery for over a century, but the phenomenon has long been treated as a clinical curiosity or, worse, confused with intraoperative awareness. A new scoping review from Stanford University, published in the British Journal of Anaesthesia, synthesizes 157 studies spanning 1921 […]

Sleep and the Student Brain: Two New Studies on Bedtime Autonomy, Learning Engagement, and Academic Self-Efficacy Two studies published in Frontiers in Sleep this month examine how sleep shapes the lives of young people from adolescence through college, approaching the question from complementary angles. One investigates whether sleep quality predicts how engaged students are with […]

Digital Health Tools Show Promise for Sleep Disorders in PTSD Patients A new review from Russian researchers consolidates the growing evidence that wearable devices, mobile apps, and web-based platforms can improve the diagnosis and treatment of sleep disorders in patients with post-traumatic stress disorder (PTSD). Sleep disruption is a core symptom of PTSD, yet access […]

Pharmacological and Behavioral Approaches to Narcolepsy: A Current Overview Researchers from Sechenov First Moscow State Medical University have published a concise overview of available treatments for narcolepsy, covering both pharmacological and behavioral strategies for managing the disorder’s two hallmark symptoms: excessive daytime sleepiness and cataplexy. Narcolepsy is a chronic neurological disorder affecting approximately 1 in […]

Sleep Disorders in Women: Why Sex-Specific Diagnosis and Treatment Matter A new review from researchers at Almazov National Medical Research Centre in St. Petersburg consolidates the evidence for sex-specific differences in sleep disorders, arguing that diagnostic and therapeutic approaches must account for the physiological changes women experience across their lifespan. Women are significantly more likely […]

“Brain Rot” After Heavy Screen Time Is a Sleep- and Circadian-Driven State, Not Neurodegeneration The colloquial term “brain rot” — used to describe the mental fog, attentional fragmentation, and cognitive fatigue that follows prolonged engagement with high-intensity digital media — is best understood as a sleep- and circadian-linked neurocognitive vulnerability state rather than a form […]

Sleep Instability Emerges as a Unifying Concept as AI and Wearables Reshape Sleep Diagnosis An editorial published in Frontiers in Sleep introduces sleep instability as a common thread across sleep disorders and argues that emerging technologies — artificial intelligence, wearable sensors, and advanced signal processing — are transforming how it can be measured and managed. […]