Researchers explore the epigenetics of daytime sleepiness
Methylation sites have been identified in multiple genes implicated in daytime sleepiness. ... Read More...
Sleep
Exercise may help teens sleep longer, more efficiently
Teens who exercise get to sleep earlier, sleep for longer and have improved quality of sleep over those who are less active.... 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...
Chronic insomnia and memory problems: A direct link is established
Insomnia disorder, especially in middle-aged to elderly people, is associated with a reduction in cognitive performance and memory.... Read More...
Preschoolers who watch TV sleep less
Preschoolers who watch more TV, and have TV's in their bedrooms have significantly shorter sleep duration, lower quality of sleep and tend to nap for longer during the daytime.... Read More...
The impact of exercise and sleep on depression varies by gender
Study reports regular, vigorous exercise helps to protect males against depressive symptoms, while in women, no levels of physical activity had a significant impact on depression.... Read More...
Sleep and exercise affect new moms differently than new dads
Fathers who sleep more than other fathers experience lower overall well-being and closeness with their partners and children, while women who are able to sleep more report a greater sense of well-being. The study also found exercise impacts parental moods, reporting on days where men exercise more than usual, they are less likely to argue. By contrast, mothers who embark on more physical activity during the day experienced higher levels of emotional negativity and were more likely to have arguments. Researchers speculate this could be a result of paternal 'stress' of taking up the primary caregiving role for a time to allow his wife time to herself, causing a more argumentative state in males.... Read More...
Pregnancy shifts the daily schedule forward
In pregnant women and mice, the daily schedule shifts a few hours forward during the first trimester. Activity levels also dip during this time. The advance of the daily schedule stabilizes, before gradually returning to normal during later stages of pregnancy.... Read More...
Study links gene to sleep problems in autism
Deficiencies in the SHANK3 gene have been linked to sleep disruptions in both mouse models and people with ASD. Researchers found patients with Phelan-McDermid syndrome, a genetic disorder associated with autism, report trouble falling, and staying asleep. In mouse models, animals lacking the SHANK3 gene had a reduction in deep sleep quality and spent more time awake when other mice were sleeping.... Read More...
Stressed at work and trouble sleeping? It’s more serious than you think
Study adds to a growing body of evidence that stress in the workplace, coupled with impaired sleep, increases the risk of cardiovascular disease and coronary mortality, especially in hypersensitive workers.... Read More...
Sleep frees the hippocampus for new memory contents
A rapid memory system transition from the hippocampus to the posterior parietal cortex is stabilized as we sleep. Sleep and repeated rehearsal of memory jointly contribute to long-term memory consolidation.... Read More...
Haunted by the past: Insomniacs unable to get emotional distress off their mind
For some, insomnia may be caused by failing to neutralize emotional distress. Researchers speculate the sleep disorder could be caused by brain circuits that regulate emotion. ... Read More...