Sleep
Sleep is a pillar of physical health and mental clarity. Research covers the impact of sleep on cognitive performance, emotional regulation, and the latest innovations in sleep-tracking wearables and smart recovery tools.
Level 1
Human brain not designed to stay awake after midnight
Scientists propose the Mind After Midnight hypothesis, arguing that the brain shifts into a markedly different mode when we stay…
Adults should aim for 7 or more hours of sleep to maintain optimal health
Experts recommend at least 7 hours of sleep for adults to avoid health risks like obesity and heart disease. Sleeping less than 7 hours harms the body.
Level 2
Chronic stress alters the brain, but recovery is possible
Chronic stress can alter memory, fear, mood, and sleep circuits in the brain. That matters because these changes can raise anxiety and cognitive strain, but the evidence does not show permanent damage in everyone.
videoPractical ways to keep your brain sharp as you age
the molecular and lifestyle interventions to slow cognitive decline and diseases like Alzheimer’s. Key points include the importance of longevity…
One night without sleep raises inflammation and dulls thinking in young adults
A study on the effects of 24 hours of sleep deprivation in young healthy adults revealed significant disruptions in emotional,…
Sleep is when your muscles actually repair after a workout
The relationship between sleep and recovery from exercise-induced muscle injuries, with a focus on athletes and military personnel. Insufficient sleep…
Bad sleep and frequent napping are linked to feeling disconnected from reality
A study on female university students found that poor sleep efficiency and frequent daytime naps significantly increase the risk of…
Sleep deprivation impairs driving more than legal alcohol limits
A study comparing sleep deprivation and alcohol on driving performance found that 24 hours of wakefulness impairs drivers more than being slightly above the legal alcohol limit. Sleep deprivation leads to slower reaction times, reduced lane control, and attention lapses. Coffee fails to improve driving performance, and drivers tend to underestimate their level of impairment.
Level 3
The “No-Sleep Challenge” highlights severe risks of sleep deprivation
Sleep deprivation, worsened by social media trends like the “no-sleep challenge,” poses serious health risks. Extended wakefulness can lead to…
videoYour brain wiring may determine how much sleep you need
New neuroscience research reveals that individual variations in brain connectivity impact the amount of sleep needed for optimal functioning. People…
Motion Pillow aims to reduce snoring with smart technology
Motion Pillow is a sleep solution designed to reduce snoring by adjusting head position during sleep. The pillow incorporates built-in…
Positive memory reactivation during sleep reduces negative memory recall
Reactivating positive memories during non-REM sleep can weaken the recall of associated negative memories. This sleep-based technique, known as targeted…
Night owls may be smarter than early risers
Les couche-tard seraient plus intelligents que les couche-tôt, mais une durée de sommeil de 7h à 9h est plus importante.
A wearable device designed to trigger lucid dreams on demand
A forthcoming device called Halo, expected to launch in 2025, is designed to help users achieve lucid dreams. By stimulating…