Sentences with phrase «short sleepers»

Put differently, the vast majority of short sleepers are not obese.

The researchers also found that the lifespan of the naturally long and short sleepers did not differ significantly from the flies with normal sleeping patterns.

There was some good news for short sleepers, though.

Such endocrine changes may help explain why epidemiologists have found elevated rates of obesity and diabetes among habitual short sleepers.

«Other boring situations, like driving an automobile at night without adequate visual or auditory stimulation, may also put short sleepers at risk of drowsiness or even falling asleep behind the wheel,» said co-author and psychology graduate student Brian Curtis.

Short sleepers function normally during the day despite their short sleep duration.

On average, short sleepers showed a 32 percent gain in visceral fat, versus a 13 percent gain among those who slept six or seven hours per night, and a 22 percent increase among men and women who got at least eight hours of sleep each night.

People who sleep less but have no residual daytime sleepiness are called short sleepers and do not have a sleep problem.

The researchers saw something interesting in the brain scans of short sleepers that they didn't see in the «normal» group: During their time in the MRI, their brain waves exhibited patterns more typically of sleep than of wakefulness.

But short sleepers do not need more sleep.

My newly 3 year old, once a perfect and long sleeper, is now a terrible and short sleeper.

An interesting note: Whether your baby is a night owl or a morning lark, a long sleeper or short sleeper, she'll probably stay that way throughout childhood.

Based on self - reports, 30 % of the respondents were considered «short sleepers,» sleeping less than 7 hours a night; 31 % were «optimal sleepers,» sleeping about 7 hours a night; and 39 % were «long sleepers,» sleeping more than 7 hours a night.

The scientists then compared genetic data between the long and short sleepers and identified 126 differences among 80 genes that appear to be associated with sleep duration.

Among black respondents, 37 % were short sleepers; among whites, 28 %.

To learn more, scientists artificially bred 13 generations of wild fruit flies to produce flies that were either long sleepers (sleeping 18 hours each day) or short sleepers (sleeping 3 hours each day).

This suggests that there are little physiological consequences — whether ill effects or benefits — of being an extreme long or short sleeper, they said.

Orzech and her team compared three outcomes between longer and shorter sleepers: number of illness bouts, illness duration, and school absences related to illness.

That more than likely means you can't train yourself to be a «short sleeper» — and you're fooling yourself if you think you've done it.

To learn more, scientists artificially bred 13 generations of wild fruit flies to produce flies that were either long sleepers (sleeping 18 hours each day) or short sleepers (sleeping three hours each day).

This suggests that there are few physiological consequences — whether ill effects or benefits — of being an extreme long or short sleeper, they said.

Graph showing sleep duration (in minutes) of wild fruit flies — long sleepers, normal sleepers, and short sleepers — artificially bred across 13 generations.

Only around 10 per cent of the shorter sleepers are obese, compared with 5 per cent for those sleeping over 10 hours.

A survey of about 500 subjects has already been conducted, and some people who are suspected to be short sleepers have been identified.

TSUKUBA, Ibaraki Prefecture — A large - scale survey is under way to find «long sleepers» who require 10 hours or more sleep per night, and «short sleepers» who need five hours or less, potentially helping find a cure for sleep disorders.

According to Yanagisawa, adults usually require six to eight hours of sleep per night, but there are rarities who are either naturally long or short sleepers.

There are long sleepers and there are short sleepers.

«That's tantalizing because it suggests that maybe one of the things the short sleepers are doing in the scanner is performing memory consolidation more efficiently than non-short sleepers,» Dr. Anderson said.

These patterns were seen in both sub-groups of short sleepers, regardless of whether they reported suffering daytime dysfunction.

More research is needed, the authors say, to determine if either of their hypotheses about the brain activity of short sleepers — or both — hold true.

In other words, the scans suggest that some short sleepers may have briefly drifted off — even though they were instructed to stay awake, said co-author Jeff Anderson, MD, PhD, an associate professor of radiology and imaging sciences, in a press release.

And short sleepers were 80 percent more likely to have had a flu, ear infection, or pneumonia in the past month than those who slept at least seven or eight hours.

Short sleepers, typically defined as people who get less than six hours of sleep a night, as well as people who don't spend enough time in the deepest stages of sleep, are at higher risk of heart attacks and strokes than those who get at least seven hours.

Long and short sleepers» diets also showed less variety, included less tap water, and were more likely to be restricted (low in calories, carbs, or protein), with long sleepers consuming the most alcohol.

In contrast, short sleepers have no complaints about sleep problems.

Studies suggest that short sleepers may have a gene mutation that enables them to function well on less than 6 hours of nightly sleep.

The limited sleep duration occurs naturally for a short sleeper.

One meta - analysis of nearly 700 published studies showed that both adults and children who are short sleepers have an increased risk of obesity.1 In a different study, 12 men were allowed a full night of sleep (8 hours) followed by a partial night of sleep (4 hours); after the latter, the men were hungrier upon waking up and ate more during the day (22 %).2 Acute partial sleep leads to increased serum levels of ghrelin (a hunger hormone) and decreased levels of leptin (a satiety hormone).

In contrast, short sleepers don't need to try to «catch up» on sleep.

But most of them are not short sleepers.

But a small percentage of adults are short sleepers.

But those who logged eight hours or more in bed each night also showed a bigger fat gain, although it was less substantial than that seen in «short sleepers.»

In fact, a study of groups of very similar women in a weight loss program who did exactly the same exercise and nutrition protocol, the women in the group of long sleepers (8.5 hours) lost more weight, and more of it was fat compared to short sleepers (5.5 hours).

And for other infections — including flu, ear infections and pneumonia — short sleepers had more than 80 percent higher odds of having an infection in the past month compared to those sleeping seven or eight hours, the study said.