According to a new study, insufficient sleep is associated with dehydration due to the disrupted release of a hormone responsible for hydration regulation.
For their research, a team of researchers analyzed the data from over 20,000 records of healthy young adults who participated in two big studies, the National Health and Nutrition Survey and the Chinese Kailuan Study.
The scientists concluded that people who slept for 6 hours or less on a regular basis were 16-59% more likely to experience dehydration than people who slept for at least 8 hours every night.
Asher Rosinger, Ph.D., an assistant professor of biobehavioral health at Pennsylvania State University in State College, explains: “This study suggests that if you’re not getting enough sleep and you feel bad or tired the next day, drink extra water.”
Nowadays, everyone knows what protein is but only a few of us know for sure how much of it we need to consume. According to government guidelines, average protein consumption should be 0.8g per kilogram of body weight. The next seven signs show you’re not getting enough protein, according to British nutritionists May Simpkin and Rick Hay:
A new study that included about one million people in Britain finds that people who wake up late, so-called night owls, have 10% higher risk of dying sooner than people who rise and set with the sun.
For the study, the scientists have analyzed information on more than 430,000 people aged from 38 to 73 from a public database, who defined themselves as “definitely a morning person” (27%), “more a morning person than evening person” (35%), “more an evening person than a morning person” (28%), or “definitely an evening person” (9%).
One of the authors of the study Kristen Knutson of Northwestern University in Chicago says: “The higher risk may be because people who up late have an internal biological clock that doesn’t match their external environment. It could be psychological stress, eating at the wrong time for the body, not exercising enough, not sleeping enough, being awake at night by yourself, maybe drug or alcohol use.”
New research, executed by the scientists from the National Institute of Alcohol Abuse and Alcoholism, found that people who experienced just one night of bad sleep also known as sleep deprivation showed an immediate increase in levels of beta-amyloid, a protein that can form “plaques” that play a key role in Alzheimer’s disease.
For the study, the researchers studied 20 healthy adults aged between 22 and 72. After just one night of sleep deprivation, the scientists noticed that beta-amyloid levels have increased in the right hippocampus and thalamus of the subjects’ brains.
Authors conclude in their study: “Our results highlight the relevance of good sleep hygiene for proper brain function and as a potential target for prevention of Alzheimer’s disease.”
A recent study, published in the journal Scientific Reports, finds that children aged between 9 and 11 years who ate fish at least once a week had higher IQ scores and better sleep qualify than children who ate fish seldom.
For the study, a team of researchers assessed the fish consumption of 541 children from China aged 9–11. They used a dietary questionnaire to find out how much fish they consumed during the previous month.
Study co-author Prof. Adrian Raine, of the School of Arts and Sciences at Penn State’s Perelman School of Medicine, explains: “Lack of sleep is associated with antisocial behavior; poor cognition is associated with antisocial behavior. We have found that omega-3 supplements reduce antisocial behavior, so it’s not too surprising that fish is behind this.”
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