REM sleep: Definition, functions, the effects of alcohol, and disorders

Throughout sleep, the brain moves through 5 various phases. Among these phases is rapid-eye-movement sleep (Rapid Eye Movement) sleep. Throughout this stage, the eyes move quickly in different instructions. The other 4 stages are described as non-REM (NREM) sleep. Individuals go into Rapid Eye Movement within the very first 90 minutes of going to sleep … Read more

Insomnia common among cancer patients

(Photograph: Unsplash/Ben Blennerhasset) Roughly half of sufferers with most cancers have signs of insomnia, and lots of could have sleep issues that linger for a minimum of a 12 months, a small research suggests. As much as 10 per cent of adults within the developed world endure from continual insomnia, and most cancers sufferers are … Read more

This is how sleep loss alters emotional perception

What does sleep deprivation do to the way in which we perceive various emotional stimuli? A researcher from the Karolinska Institutet in Sweden has written a thesis aiming to answer this question. Sleep deprivation makes us more likely to have negative emotional perceptions. Ever felt grumpy after a sleepless night? When we do not manage … Read more

Stillbirth threefold increase when sleeping on back in pregnancy

Research spearheaded by a University of Huddersfield lecturer has shown that pregnant women can lower the risk of stillbirth by sleeping on their side and NOT on their back. Now the finding forms part of official NHS guidance designed to bring about reductions in the number of babies who are stillborn in the UK — … Read more

Harvard research shows new link between sleep and clogged arteries

Sleep, heart disease link leads from brain to marrow Four years ago, Cameron McAlpine (from left) and Filip Swirski began experiments with their colleagues at MGH designed to explore the connection between poor sleep and heart disease. Jon Chase/Harvard Staff Photographer MGH research finds chemical pathway from lack of shut-eye to atherosclerosis Researchers have known … Read more

76 more gene regions found associated with sleep duration

Study identifies gene regions associated with sleep duration Illustration by Ilana Kohn Both too much and too little shut-eye can be associated with health problems A study led by investigators from Massachusetts General Hospital (MGH) and the University of Exeter Medical School has identified another 76 gene regions associated with sleep duration. The study, by a team … Read more

Study uncovers genetic causes of poor sleep

The international collaboration, led by the University of Exeter and published in Nature Communications, has found 47 links between our genetic code and the quality, quantity and timing of how we sleep. They include ten new genetic links with sleep duration and 26 with sleep quality. The Medical Research Council-funded study looked at data from … Read more

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