After making a stop for a few hours at a British station on the edge of Antarctica, the two workers were flown to the southernmost Chilean city of Punta Arenas.

But it's common politeness to respond to a personal message, preferably within 24 hours of receiving it.

Certainly, you don't want to waste your precious hours on following the developments in a disorderly fashion, and miss important deadlines, confuse interview times or forget to follow up as a result.

Clock-timers organize their day by blocks of minutes and hours.

For example, sleep duration has declined from some eight hours in the 1950s to seven in recent years.

It takes many hours to craft a single sign.

James pushed forward, making it to Alcatraz Island and back in a little more than two hours.

Just hours earlier, Uganda's police chief had warned of possible Christmas- time attacks by Somali rebels.

Moses spent three hours looking after the bees and was stung five times.

My flight leaves in less than two hours.

Some 40% of Americans get less than seven hours of shut-eye on weeknights.

Subjects who learned the games in the morning lost some skills when they played again 12 hours later.

That means an extra five hours a day.

The airlander 10 spent nearly 2 hours in the air, having taken off from Cardington airfield in Bedfordshire.

The E-Kaia is able to fully recharge a mobile phone in less than two hours.

The Texas A&M Travel Institute found that rush-hour travelers spent extra 42 hours on the road last year because of travel delays.

To find out, researchers gave 11 volunteer cyclists a carbohydrate?solution either with a moderate dose of caffeine, ?which is known to stimulate the central nervous system, or as a placebo without, during 3 hours of?cycling.

We repeated this exact procedure after the bacteria had been on the surface for 2, 4, 8 and 24 hours.

Zircle reported the attack when she arrived in Nulato, Alaska, in the early hours of the morning.

83% of workers say they're stressed about their jobs, nearly 50% say work-related stress is interfering with their sleep, and 60% use their smartphones to check in with work outside of normal working hours.

A wandering mind! By one estimate, people daydream through nearly half of their waking hours?

According to Harry Vallentine, a Canadian engineer who is researching modern steam technology, a special tank measuring 2 by 10 metres could store over 750 kilowatt hours of energy as high pressure steam, enough to pull a two-cart train for an hour or so.

Although going to college is supposed to be a full-time job, students spent, on average, only 12 to 14 hours a week studying and many were skating through their semesters without doing a significant amount of reading and writing.

Americans are working longer and harder hours than ever before.

And 29%, the "invisible risk"group, scored high on three in particular: They spent five hours a day or more on electronic devices.

And it's not a more efficient sleep, not like they're compressing relatively more value out of their hours.

And workers on part-time contracts, who only work four or five hours a day, are happier than those who work full-time.

As it is, sleep is so undervalued that getting by on fewer hours has become a badge of honor.

Because of their smaller size, most keep hours that allow people to enjoy themselves, then have some quiet after midnight, as opposed to large major cities like New York, where the buzz of activity is ongoing.

But a shorter working week would enable us to redistribute hours from the overworked to the under worked.

But rainfall can revive them in a matter of hours.

But surely everyone reading this has had times when you lie in bed for hours, unable to fall asleep because your brain is thinking about work.

During the hours spent waiting in vain to see a bone doctor, I decided to take another track and try acupuncture.

For decades, many downtown cores in small to mid-sized cities were abandoned after work hours by workers who lived in the suburbs.

For this scheme to work, the government must provide wage subsidies to compensate for lost pay due to the shorter hours.

For those few hours, I can wrap myself up in my music.

given the high price of room and board and the closeness of the school to his family, he chose to live at home and worked between 30 and 40 hours a week while taking a full class schedule.

If every distraction took only 1 minute, that would account for 2.5 hours a day.

If you lie in bed for eight hours, you may have rested, but you can still feel exhausted the next day.

In return for an average of ￡44,000 of debt, students get an average of only 14 hours of lecture and tutorial time a week in Britain.

In these groups, which came out of an Eastern European tradition of developing young talent, professors teach promising K-12 students advanced mathematics for several hours after school or on weekends.

It's no surprise, then, that more than half of American adults don't get the 7 to 9 hours of shut-eye every night as recommended by sleep experts.

Located on the Mediterranean just two hours south of Barcelona, the Ebro Delta produces 120 million kilograms of rice a year, making it one of the continent's most important rice-growing areas.

Located only a few hours apart, The University of Tennessee and Tennessee State are worth comparing.

Office workers do around 2 billion hours of unpaid overtime each year.

Once the data and associated materials appear in a repository answering questions and handling complaints can take many hours.

Our study will use a large corporate dataset from a major medical company to examine how technology extends our working hours and thus interferes with necessary cognitive recovery, resulting in huge health care costs and turnover costs for employers.

Physicians who have been on the job for several hours, for example, are more likely to prescribe antibiotics to patients when it's unwise to do so.

She beat the record by almost two hours, and her father rewarded her with a red sports car.

since the middle of the 20th century, though, things have turned the opposite way—these days, punishing hours at your desk, rather than days off, are seen as the mark of someone important.

Studies have found obesity is associated with impairments in cognitive functioning, as assessed by a range of learning and memory tests, such as the ability to remember a list of words presented some minutes or hours earlier.

That suggests that catch - up sleep may undo some but not all of the damage that sleep 32 deprivation causes, which is encouraging, given how many adults don't get the hours they need each night.

The practice of clocking in for an eight-hour workday is a leftover from the days of the Industrial Revolution, as reflected in the then-popular saying, "Eight hours labor, eight hours recreation, eight hours rest."

The summer after 7th grade, students spend three weeks on a college campus studying advanced math for seven hours a day.

They found that adolescents who spent a very small amount of time on digital devices—a couple of hours a week—had the highest well-being.

They have had hundreds of hours of airport training, so they are used to having luggage and people crowding around them.

They slept six hours a night or less.

Those spending 10-19 hours per week on their devices were 41 percent more likely to be unhappy than lower-frequency users.

Those who used such devices 40 hours a week or more one in ten teenagers were twice as likely to be unhappy.

Today, the average American spends 8.8 hours at work daily, and the majority of working professionals spend additional hours checking in with work during evenings, weekends and even vacations.

Twenty years ago, the Urban Land Institute defined the two types of cities that dominated the US landscape: smaller cities that operated around standard 9-5 business hours and large metropolitan areas that ran all 24 hours of the day.

Typical users of online supermarkets include the elderly, people who work long hours and those without their own transport.

Under this scheme, the number of individual working hours is reduced in an effort to avoid layoffs.

Unfortunately, the average full time employee in the world works 42 hours a week.

When Liu, the UCLA sleep researcher and professor of medicine, brought chronically sleep-restricted people into the lab for a weekend of sleep during which they logged about 10 hours per night, they showed improvements in the ability of insulin to process