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Sleep

·April 28, 2025·5 min read

Sleep Prepares the Brain for Both Past Memories and Future Learning

A new study reveals that sleep not only consolidates existing memories but also primes the brain for future learning. Researchers tracked neuronal activity in mice and discovered 'engram-to-be cells' that synchronize during sleep, preparing to encode new experiences.

Featured Neuroscience

·April 25, 2025·4 min read

What Makes Dreams Memorable? Study Reveals Three Key Predictors

Not everyone remembers their dreams, and a new study reveals why. Researchers found that dream recall is most strongly influenced by a person’s attitude toward dreams, their tendency to mind-wander, and specific sleep characteristics.

Featured Neuroscience

·April 23, 2025·6 min read

Earlier Bedtimes Linked to Better Brain Function in Adolescents

A large-scale study has found that adolescents who go to bed earlier and get slightly more sleep show better brain function and higher cognitive test performance than their peers. Using wearable devices and brain imaging from over 4,000 participants, researchers discovered that even small differences in sleep duration and timing impacted brain volume and task performance.

Featured Neuroscience

·April 21, 2025·3 min read

Lucid Dreaming Reveals a New Layer of Conscious Brain Activity

Lucid dreaming, where people become aware they are dreaming, has long fascinated both scientists and dreamers. A new study with the largest dataset of its kind has identified distinct brain activity patterns that separate lucid dreaming from both REM sleep and wakefulness.

Featured Neuroscience

·April 16, 2025·4 min read

Gut Microbiome May Hold Key to Treating Sleep Apnea

A new review highlights growing evidence linking gut health to sleep apnea, suggesting that changes in gut microbiota may influence the severity of sleep-disordered breathing. These microbial imbalances are associated with increased inflammation, leaky gut, and impaired gut-brain communication—all of which may exacerbate obstructive sleep apnea.

Featured Neuroscience

·April 15, 2025·2 min read

Natural Light Before Waking Boosts Morning Alertness

A new study highlights how controlled exposure to natural light before waking can improve morning alertness and reduce sleepiness. Researchers tested three lighting conditions using light-shielding curtains and sensors to determine the effects of early morning light on 19 participants.

Featured Neuroscience

·April 10, 2025·5 min read

Sleep Strengthens Memory for Life Events Over a Year Later

New research reveals that a single night of sleep can enhance memory for the order of real-world experiences—lasting for over a year. In a unique study, participants took an immersive art tour and were later tested on their memory of both object features and event sequences.

This shows a person in bed and a tablet.

Featured Neuroscience

·April 2, 2025·6 min read

Screen Time in Bed Linked to Less Sleep, Higher Insomnia Risk

A new study of over 45,000 young adults found that using screens in bed increases the risk of insomnia by 59% and cuts sleep by 24 minutes. Surprisingly, the type of activity—whether social media, movies, or studying—didn’t make a difference; it was the screen time itself that mattered most.

This shows a brain and a woman on a cell phone.

Featured Neuroscience

·March 31, 2025·8 min read

How Sleep, Emotion, and Novelty Shape Memory

New research highlights how smartphones are transforming memory science by capturing real-world data on sleep, emotion, and daily experiences. Studies show that replaying memories before sleep, experiencing novel events, and feeling positive emotions can all strengthen autobiographical memory.

Featured Neurology Neuroscience

·March 31, 2025·5 min read

Less Deep Sleep Linked to Brain Shrinkage, Alzheimer’s Risk

New research shows that reduced time in slow wave and REM sleep is associated with smaller brain volumes in regions vulnerable to Alzheimer’s disease. Using sleep studies and brain imaging data from 270 participants, researchers found that poor sleep architecture was linked to brain atrophy over time—particularly in the inferior parietal region, an area affected early in Alzheimer’s.

Featured Neuroscience

·March 25, 2025·6 min read

How Sleep Rewrites the Brain to Strengthen and Optimize Memories

A new study reveals how the brain reprocesses and refines memories during sleep, particularly those related to spatial learning. Researchers tracked rats’ hippocampal neuron activity for up to 20 hours and found that memory patterns first echoed the learning phase and then gradually shifted to match the recollection phase upon waking.

Featured Neuroscience Open Neuroscience Articles

·March 21, 2025·4 min read

Sleep-Deprived Fruit Flies Show Sharper Memory via PKA Signaling

Fruit flies with genetic mutations that severely reduce sleep show enhanced performance in olfactory memory tasks, challenging assumptions about sleep’s role in cognition. This paradox appears to be driven by increased protein kinase A (PKA) signaling in the mushroom body, a brain region responsible for memory and sleep regulation.

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Sleep

Sleep Prepares the Brain for Both Past Memories and Future Learning

What Makes Dreams Memorable? Study Reveals Three Key Predictors

Earlier Bedtimes Linked to Better Brain Function in Adolescents

Lucid Dreaming Reveals a New Layer of Conscious Brain Activity

Gut Microbiome May Hold Key to Treating Sleep Apnea

Natural Light Before Waking Boosts Morning Alertness

Sleep Strengthens Memory for Life Events Over a Year Later

Screen Time in Bed Linked to Less Sleep, Higher Insomnia Risk

How Sleep, Emotion, and Novelty Shape Memory

Less Deep Sleep Linked to Brain Shrinkage, Alzheimer’s Risk

How Sleep Rewrites the Brain to Strengthen and Optimize Memories

Sleep-Deprived Fruit Flies Show Sharper Memory via PKA Signaling

Why We Are Misjudging How Childhood Trauma Changes the Body

Everyday Habit Changes Lowers Dementia Risk

Legalized Cannabis Does Not Increase Consumption

Disrupted Neuronal Microexons Drive Hyperarousal and Insomnia

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