Many of us get about an hour to an hour and a half
less sleep per night than we need... Naps of 90 to 120 minutes usually comprise all stages, including REM and deep slow - wave sleep, which helps to clear your mind, improve memory recall, and recoup lost sleep....
Not exact matches
According to the study of 715 parents, every hour of touchscreen use results in 15.6 minutes
less of
sleep, or 26.4 minutes
less total
per night and 10.8 minutes more during the day, on average.
Children who
sleep less than 10 hours
per night are three and a half times more likely to be overweight
If you
sleep less that six hours
per night according to the study, your more likely to have weight gain or be obese.
Sleep deprivation adds up over time, so an hour less per night is like a full night without sleep by the end of the
Sleep deprivation adds up over time, so an hour
less per night is like a full
night without
sleep by the end of the
sleep by the end of the week.
People under 40 gained 1.8 kilograms more on average if they got
less than 5 hours of
sleep per night than if they
slept for 6 or 7 hours.
In the few days before and after a full moon, people took an average of 5 extra minutes to fall asleep,
slept 20 minutes
less per night, and had 30 %
less deep
sleep, as measured by the EEG.
Seven hours
per night is two hours
less than the nine hours recommended by the National
Sleep Foundation.
For instance,
sleeping less than six hours
per night may increase appetite, as some studies suggest, but a
sleep - deprived office worker surrounded by fast - food joints is more likely to become obese than a physically active hunter - gatherer faced with a limited food supply.
Absence from work due to illness increased dramatically for those who
slept less than six hours or more than nine hours
per night.
He and his colleagues found that the more central a teen landed on the map, the greater chance that he or she got
less than 7 hours of
sleep per night.
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.
In a 2010 study of women ages 50 to 79, more deaths occurred in women who got
less than five hours or more than six and a half hours of
sleep per night.
This was documented by a study that compared 10 men who got 7.5 hours of
sleep per night and 10 men who got 6 hours of
sleep per night over the course of 3 weeks and found that the men who
slept less lost more weight than the others during the first week, but for the next two weeks their weight continued to increase.
Learn the importance of
sleep Although some people can survive on
less and some people need more, getting at least eight hours of
sleep per night is essential not only to be able to function productively, but to have the energy to follow a regular exercise program well.
One particular study was done on female subjects and found that the chances of getting ulcerative colitis were significantly increased as the amount of
sleep were decreased to six hours
per night or
less.
Among the 790 couples the researchers followed, «we found both short and long
sleep duration —
less than 6 hours or 9 or more
per night — were associated with a reduced probability of pregnancy,» Wise said.
When subjects were restricted to five hours
sleep per night, they beefed up in
less than a week.
According to current Gallup Polls, 40 percent of Americans
sleep approximately 6.8 hours
per night,
less than the recommended seven to nine hours.
Studies show that adults who report
sleeping less than five to six hours
per night gain more weight over time, have bigger waistlines, and are more likely to be obese compared to those who get sufficient
sleep, says Andrea Spaeth, PhD, an assistant professor in the department of kinesiology and health at Rutgers University.
For example, the study found that older women were
less likely than younger women to be sexually active if they
slept fewer than seven to eight hours
per night.
Researchers in the Netherlands recently reported that
sleeping less than six hours a
night can increase the risk of stroke by 4.5
per cent, compared to seven to eight hours.
Some are downright unhealthy (like suggesting you down a soda when you're not able to nap); while others are more akin to warnings than advice («
Sleeping less than seven hours
per night is associated with being overweight and having diabetes.»)
More than one - third of U.S. adults average
less than 7 hours of
sleep per night, according to a new report from the Centers for Disease Control and Prevention.
According to information provided by the CDC, people are
sleeping approximately 1.5 to 2 hours
less over the last 100 years, and about a third of the working population
sleeps less than 6 hours
per night.
The average adult is recommended to get between seven to nine hours
sleep every
night; anything
less, and you are rewarded with 50
per cent more cortisol circulating in your bloodstream compared to your well - rested friends.
A reader asks: Is it better for to get eight hours of
sleep per night, or
sleep less and fit in a morning workout?
According to the CDC's latest statistics, more than a third of the U.S. population is
sleeping less than seven hours
per night.
A study published in a 2007 edition of the «Journal of
Sleep Research» found that participants who
slept less than six hours or more than nine hours
per night had increased BMIs.
In fact, those people who got
less than 5 hours
sleep per night were 30 % more likely to be at least 28 pounds, or 12 kilos, or at least 2 dress sizes, overweight.
They regularly feel alert and refreshed after
sleeping less than 6 hours
per night.
Most adults need 7 or more hours of
sleep per night and are unable to function well after
less than 6 hours of nightly
sleep.
Many people in the U.S.
sleep less than 6 hours
per night.
Data from three large cross-sectional epidemiological studies reveal that
sleeping five hours or
less per night increased mortality risk from all causes by roughly 15 percent.
For example, studies have shown that people who habitually
sleep less than six hours
per night are much more likely to have a higher than average body mass index (BMI) and that people who
sleep eight hours have the lowest BMI.
Research also shows that individuals who
sleep less than seven hours
per night rate their fullness levels after breakfast as 26 % lower (51).
It's worth noting that several studies also link short
sleep, generally defined as
less than six hours
per night, with up to a 55 % higher risk of obesity (52, 53, 54, 55, 56).
Although some people seem to do fine with
less sleep, research suggests around 7 — 10 hours of
sleep per night is best for long - term health and your testosterone.
Multiple studies showed that
sleeping less than 5 hours
per night significantly increased body weight.
If you are getting
less than 8 hours
sleep per night then this can be affecting your weight loss.
In one study, as little as 4 days of
sleeping less than 5 hours
per night increased insulin resistance by 30 % in healthy individuals.
Another study finds those who
sleep less than six hours
per night have a significantly higher risk of heart attack and congestive heart failure.
Those who had
less than 6.5 hours of
sleep per night were recognized as having greater body fat levels.
A one - year prospective study showed that
sleeping less than 5 hours
per night was associated with a 91 % increase risk of obesity.
It's also quite interesting to note that since the early 1900's the amount of
sleep that people here in the US have been getting
per night has also declined steadily from approximately nine hours of
sleep to
less than six or even five hours.
How to tell if you're dealing with insufficient
sleep syndrome Nearly 30 percent of adults get
less than six hours of
sleep per night, on average (when most should be getting more like seven to nine).
If you get
less than 6 hours of
sleep per night you are going to be more at risk for contracting the flu.
One recent observational study found that diabetics who
slept 6.5 to 7.5 hours
per night had better blood glucose control, compared to those who
slept for
less or more time (22).
Individuals who
sleep less than five hours or more than nine hours
per night were more likely to identify themselves as being of lower overall health, indicating that we need to
sleep within the nightly
sleep recommendations.
According to the poll, «More than half of American women (60 %) say they only get a good
night's
sleep a few
nights per week or
less and 67 % say they frequently experience a
sleep problem.