Mothers have been warned for years that sleeping with their newborn infant is a bad idea, because it increases the risk that the baby might die unexpectedly during the night.
出自-2016年6月听力原文
But now Israeli researchers are reporting that even sleeping in the same room can have negative consequences: not for the child,but for the mother.
出自-2016年6月听力原文
They slept six hours a night or less.
出自-2016年12月阅读原文
The large base he leads resembles a snowed-in college campus on holiday break, with the capacity to sleep more than 10 times the 13 people who were staying on through the Antarctic winter.
出自-2016年12月阅读原文
Telepressure was also correlated with sleeping poorly and missing work.
出自-2016年12月阅读原文
Less than an hour away by snowmobile, Chinese labourers have updated the Great Wall Station, a vital part of China's plan to operate five bases on Antarctica, complete with an indoor badminton court and sleeping quarters for 150 people.
出自-2016年12月阅读原文
But a new study finds that there's another group of adolescents who are in nearly as much danger of experiencing the same psychiatric symptoms: teens who use tons of media, don't get enough sleep and have a sedentary ( ' , 不爱活动的 ) lifestyle.
出自-2016年12月阅读原文
After six months, the employees who participated in ROWE reported reduced work-family conflict and a better sense of control of their time, and they were getting a full hour of extra sleep each night.
出自-2016年12月阅读原文
A study of employees at health insurance provider Aetna revealed that roughly one quarter of those taking in-office yoga and mindfulness classes reported a 28% reduction in their stress levels and a 20% improvement in sleep quality.
出自-2016年12月阅读原文
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.
出自-2016年12月阅读原文
You've now heard it so many times, you can probably repeat it in your sleep.
出自-2012年12月阅读原文
Excuse me, can I get a ticket for a sleeping compartment on this train?
出自-2013年6月听力原文
Or if you do climb higher sooner, come back down to a lower height when you sleep.
出自-2012年12月听力原文
When you reach your top height, do light activities rather than sleep too much
出自-2012年12月听力原文
I'd like to go camping with you this weekend, but I don't have a sleeping bag.
出自-2012年12月听力原文
She can lend the man a sleeping bag
出自-2012年12月听力原文
Doctor, I haven't been able to get enough sleep lately, and I'm too tired to concentrate in class.
出自-2010年6月听力原文
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.
2016年12月六级真题(第一套)阅读 Section B
A study of employees at health insurance provider Aetna revealed that roughly one quarter of those taking in-office yoga and mindfulness classes reported a 28% reduction in their stress levels and a 20% improvement in sleep quality.
2016年12月六级真题(第一套)阅读 Section B
A study published last year in The American Journal of Clinical Nutrition found that people who sleep more tend to eat less unhealthy food than their peers who don't get as much rest.
2017年12月六级真题(第二套)听力 Section B
After six months, the employees who participated in ROWE reported reduced work-family conflict and a better sense of control of their time, and they were getting a full hour of extra sleep each night.
2016年12月六级真题(第一套)阅读 Section B
And it's not a more efficient sleep, not like they're compressing relatively more value out of their hours.
2019年6月六级真题(第二套)听力 Section C
And lack of recovery一whether by disrupting sleep with thoughts of work or having continuous cognitive arousal by watching our phones一is costing our companies $62 billion a year in lost productivity.
2018年12月六级真题(第一套)阅读 Section B
As it is, sleep is so undervalued that getting by on fewer hours has become a badge of honor.
2015年12月六级真题(第二套)阅读 Section A
But, as the human study suggests, another reason for dolphins keeping their eyes open during sleep is that they can look out for predators while asleep.
2017年6月六级真题(第三套)阅读 Section A
For example, dolphins, as well as other marine animals, shut down one hemisphere of the brain when they go to sleep.
2017年6月六级真题(第三套)阅读 Section A
Half of your brain stays alert and prepared for danger when you sleep in a new place, a study has revealed.
2017年6月六级真题(第三套)阅读 Section A
Infants, on the other hand, didn't appear to have worse sleep whether they slept in the same or different room from their mothers.
2016年6月六级真题(第一套)听力 Section B
It is yet a challenge to explain the cause-and-effect relationship between sleep and nutrition.
2017年12月六级真题(第二套)听力 Section B
It shapes the way our bodies operate, too, and sleep is at the intersection of those.
2019年6月六级真题(第二套)听力 Section C
It was specifically observed that the left side of the brain was more active during deep sleep.
2017年6月六级真题(第三套)阅读 Section A
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.
2015年12月六级真题(第二套)阅读 Section A
Mothers who slept in the same room as their infants, whether in the same bed or just the same room, had poorer sleep than mothers whose babies slept elsewhere in the house: They woke up more frequently, were awake approximately 20 minutes longer per night
2016年6月六级真题(第一套)听力 Section B
Now, instead of swimming upstream, we relax, sleep, watch movies, or listen to music.
2018年12月六级真题(第一套)阅读 Section B
Other studies have found that even infants in East Asia sleep about an hour less than European infants, so we're trying to figure out how culture shapes the way you sleep.
2019年6月六级真题(第二套)听力 Section C
right now, to reduce the risk of sudden infant death syndrome, the American Academy of Pediatrics recommends that mothers not sleep in the same bed as their babies, but sleep in the same room.
2016年6月六级真题(第一套)听力 Section B
That means they wake up hungry, they are hungry all day, and they go to sleep hungry.
2017年6月六级真题(第二套)听力 Section C
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.
2015年12月六级真题(第二套)阅读 Section A
The most common topics they discussed included kids' sleep, nutrition, discipline, behavior problems and day care and preschool.
2018年12月六级真题(第三套)阅读 Section B
The relationship between getting more sleep and making better food choices is well-documented.
2017年12月六级真题(第二套)听力 Section B
We're still in the exploratory stages of this project, although what's noteworthy is that East Asians on average sleep about an hour and half less each night than North Americans do.
2019年6月六级真题(第二套)听力 Section C
We've also started to look at how culture shapes sleep.
2019年6月六级真题(第二套)听力 Section C
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
2015年12月六级真题(第二套)阅读 Section A
When the researchers repeated the laboratory experiment on the second and third nights they found the left hemisphere could not be stimulated in the same way during deep sleep.
2017年6月六级真题(第三套)阅读 Section A
Whether or not we can catch up on sleep — on the weekend, say — is a hotly debated topic among sleep researchers.
2015年12月六级真题(第二套)阅读 Section A