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sleep deprivation

Featured Neuroscience

·June 13, 2026·9 min read

Saliva Biomarkers Detect Human Sleep Deprivation

A new study demonstrates that acute sleep loss leaves a distinct ten-biomarker signature inside human saliva.

This shows a person sleeping and photos.

Featured Neuroscience

·June 11, 2026·10 min read

Sleep Deprivation Blocks Social Memory Access

Sleep deprivation impairs the retrieval of social memories while leaving the underlying physical traces completely intact.

Featured Neuroscience

·March 23, 2026·6 min read

Caffeine Restores Social Memory After Sleep Loss

Caffeine can rescue social memory deficits caused by sleep deprivation. By targeting the hippocampal CA2 region, caffeine restores specific neural pathways without causing global overstimulation.

This shows a person in an interrogation room late at night. Brains are behind him.

Featured Neuroscience Psychology

·March 7, 2026·11 min read

Exhaustion Loophole: How Sleep Deprivation Compromises Justice

Sleep deprivation isn't just a minor variable—it's a threat to the truth. Scientists warn that exhausted suspects are more likely to confess to crimes they didn't commit.

Featured Neuroscience

·February 24, 2026·6 min read

Oxytocin Crash: Why Sleep Loss Leaves You Socially Forgetful

Forgetful after a late night? Scientists find that sleep loss "mutes" the brain's oxytocin signals, breaking the circuits that help us recognize friends and remember new faces.

This shows a man holding his head in pain.

Featured Neurology Neuroscience

·June 19, 2025·6 min read

How Sleep Deprivation Amplifies Pain in Migraine

New research reveals that sleep deprivation alters how the brain processes pain in people with migraines. Using EEG and pain stimulation, scientists found that migraine sufferers’ brains respond differently after poor sleep, showing reduced ability to suppress pain signals.

This shows a person sleeping and a heart.

Featured Neurology Neuroscience

·May 11, 2025·6 min read

Three Sleepless Nights May Harm Your Heart

A new study shows that even short-term sleep deprivation activates inflammatory proteins in the blood linked to cardiovascular disease. After just three nights of sleeping four hours per night, healthy young men showed increased levels of proteins associated with heart failure and coronary artery disease.

Featured Neuroscience Psychology

·April 30, 2025·6 min read

What Poor Sleep Really Does to Your Brain

Chronic sleep disorders and short-term sleep deprivation affect different regions of the brain, highlighting distinct neural impacts. A meta-analysis of 231 brain studies showed that chronic sleep disorders alter regions involved in emotions and memory, while short-term deprivation primarily affects attention and movement regulation.

This shows a man, immune cells and a bed.

Featured Neuroscience

·February 24, 2025·5 min read

Poor Sleep Alters Immune Cells, Increasing Risk for Inflammatory Diseases

A new study reveals that even a single night of sleep deprivation can alter immune cell profiles to resemble those seen in obesity, a condition linked to chronic inflammation. Researchers found that sleep-deprived individuals had increased levels of non-classical monocytes, immune cells associated with inflammatory responses, similar to patterns observed in obese participants.

Featured Neuroscience

·January 8, 2025·4 min read

Sleep Loss Weakens Brain’s Ability to Block Unwanted Memories

New research reveals that sleep deprivation hampers the brain’s ability to suppress intrusive memories, a process critical for mental health. The study found that well-rested individuals could engage the right dorsolateral prefrontal cortex to inhibit unwanted memories, while sleep-deprived participants struggled.

Featured Neuroscience Psychology

·January 2, 2025·4 min read

Poor Sleep Linked to Difficulty Controlling Unwanted Thoughts

Sleep deprivation impairs brain regions responsible for suppressing unwanted thoughts, contributing to mental health challenges. Functional neuroimaging revealed reduced activation in the prefrontal cortex and increased hippocampal activity in sleep-deprived individuals, suggesting memory control deficits.

Featured Neuroscience

·June 30, 2024·5 min read

Sleep-Deprived Memories Restored by Common Medications

Researchers have found that sleep deprivation can hide, rather than erase, memories in mice, and that these memories can be restored using existing drugs. The study demonstrated that roflumilast, an asthma medication, could recover social memories, while vardenafil, an erectile dysfunction drug, restored spatial memories.