The number of Americans who say they sleep less than six hours a night--16% in 2005, compared with 12% in 1998--is on the rise, claims the National Sleep Foundation, which, coincidentally, gets funding from pharmaceutical companies.
When it was very, very hot in the middle of the day there was not point in being out, and you could actually use that period to get some sleep so you needed less sleep at night.
The average adult sleeps seven hours a night but many sleep considerably less than this, especially people over 50.
The researchers don't know why less sleep is associated with a greater susceptibility to colds.
Don't assume they will suddenly get more energy or need less sleep when they're on vacation.
Workers on night shifts generally get less sleep, and sleep of worse quality, than day workers.
Aging adults have often been conditioned to be able to get it all done on less and less sleep.
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Those who exercise need less sleep--and they sleep more deeply when they do.
As a consequence, the sleep may feel less restful, said Dr Ebrahim.
The women were more likely to have forgone marriage, delayed or foregone having children, cut back on their social lives and to get less sleep.
While this may be partially due to injury, illness, or other complications of aging, some research suggests that older adults need less sleep in general.
If they were to have access to the same information you have now on a daily basis, how much less sleep would we all be getting?
Because of holiday preparations and parties, people tolerate less sleep.
People with a sleep efficiency of less than 92 percent had a 5.5-times greater risk of developing a cold than those with a 98 percent or more sleep efficiency.
It grew strength from the young people who rejected the myth of their generation's apathy who left their homes and their families for jobs that offered little pay and less sleep.
This was where some of the first young people who joined our campaign set up shop, willing to work for little pay and less sleep because they believed that people who love their country can change it.
For the study, very short sleep patterns were defined as less than five hours a night, short sleep was five to six hours a night, standard sleep was seven to eight hours, and long sleep was nine or more hours a night.
Children sleep about 70 minutes less than they did a century ago.
Anderson and her co-author are unable to say with any certainty that eating dinner together more often, getting more sleep, and watching less TV will help any given child lose weight, because of the other factors that may contribute to a child's obesity (or that may protect normal-weight children from becoming obese).
Asking your dentist if you grind your teeth will hopefully make the sleep apnea diagnosis a little less daunting for the millions of people who suffer from it.
Long sleep was associated with consuming less theobromine, which is found in chocolate and tea, the saturated fat dodecanoic acid, choline found in eggs and fatty meats and total carbohydrates.
New technologies have made the study of sleep cheaper, easier, and less intrusive.
No part of the housing market is thriving, but lenders with less exotic portfolios can sleep a little easier.
Total deep sleep decreases from nearly 20% of a normal nights sleep for those under 25 to less than 5% for those over 35.
Study subjects who had less than seven hours of sleep were at greater risk than those who got eight hours of sleep a night.
About 45% of adolescents ages 11 to 17 get less than eight hours of sleep a night, even though teenagers need between nine and 10 hours.
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The original OxyContin was, initially, seen as a breakthrough in pain relief because it would slowly release its active ingredient, oxycodone, over 12 hours, allowing people with chronic pain to be able to take fewer pills, sleep through the night, and generally be less tortured by their condition.
Even starting up a new Windows 8 laptop takes a minute, or less if you just leave it in sleep mode.
The new machines boot up in less than 15 seconds, and awake from sleep mode instantly.
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