The mystery of why we sleep
Researchers shed light on why we need to sleep and discuss the effects of sleep deprivation.... Read More...
sleep deprivation
Sleep readies synapses for learning
Hippocampal neurons become longer and stronger following a period of sleep deprivation. The study supports the hypothesis that sleep may weaken synapses, which are strengthened from learning, allowing for learning to occur after waking.... Read More...
Settling the debate on serotonin’s role in sleep
Serotonin produced by the raphe is critical for sleep in both mice and zebrafish. The firing of neurons in the raphe and the release of serotonin may help the brain build up better sleep pressure. The results may explain why some sleep-related side effects of antidepressants increase serotonin in the brain.... Read More...
Sleep problems in teenagers reversed in just one week by limiting screen use
Teens who are exposed to screen time for four or more hours a day have a 30-minute delay in sleep time and report more sleep disruptions than those who spend an hour a day using tech. However, reducing screen time for a week and using glasses to block out blue light help to resolve sleep problems.... Read More...
Common sleep myths compromise good sleep and health
Many myths associated with sleep may be detrimental to health, a new study reveals. Contrary to popular belief, drinking alcohol is unhealthy for sleep as it reduces the ability for deep sleep states, and sleeping five hours a night can result in a serious health risk.... Read More...
Gene-edited disease monkeys cloned in China
Researchers in China successfully used CRISPR gene editing to produce five monkey clones from the fibroblasts of a donor monkey with disease phenotypes. ... Read More...
A sleep-deprived brain interprets impressions negatively
Sleep loss leads to negativity bias, negative mood and impaired emotional regulation.... Read More...
Not All Sleep is Equal When it Comes to Cleaning the Brain
Study reinforces and explains the links between sleep deprivation and neurodegenerative diseases, researchers say.... Read More...
Sleep Loss Heightens Pain Sensitivity and Dulls Brain’s Painkilling Response
Researchers report sleep deprivation intensifies and prolongs pain. ... Read More...
How Sleep Deprivation Affects Our Genes
Study reveals sleep deprivation is associated with lower DNA repair gene expression and more breaks in DNA. The damage to DNA may explain the increased risk of cancers and neurodegenerative diseases in those who are sleep deprived. ... Read More...
Sleep Deprivation Accelerates Alzheimer’s Brain Damage
A new study reports sleep deprivation increases the levels of tau, and accelerates the spread of the protein, in the brain. The findings reveal a lack of sleep alone may help drive the development of Alzheimer's disease.... Read More...
Unraveling the Link Between Obesity and Sleep
Study reports losing just one night of sleep can increase cravings for junk foods. ... Read More...