Craving junk food after a sleepless night?
Sleep deprivation causes the olfactory system to go into overdrive, sharpening food odors, and breaking down communication within other brain areas that receive food signals.... Read More...
sleep deprivation
How sleepless nights compromise the health of your gut
Study reveals the function of specific immune cells, well documented as playing a significant role in gut health, is directly controlled by our circadian clock.... Read More...
Teen girl ‘night owls’ may be more likely to gain weight
Teenage girls who experience inadequate sleep have an increased risk of obesity than their peers who prefer to sleep early. Interventions aimed at improving sleep schedules could be useful preventative tools for curbing obesity in teenagers.... Read More...
Brain activity intensity drives need for sleep
Galanin expressing neurons are selectively active during rebound sleep. The expression of galanin increases after neuronal activity and sleep deprivation. The neuropeptide plays a critical role in sleep homeostasis.... Read More...
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 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...