Word: wakes
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...Times in the Arctic "Meltdown!" [Nov. 22], your article on the impact of global warming in the Arctic, was especially timely in the wake of the re-election of Bush, who so arrogantly dismissed the Kyoto Protocol. The U.S. is a nation of selfish materialists who refuse to be good stewards of the earth, and we deserve every abuse Mother Nature heaps upon us. It's just too bad the rest of the world has to suffer with us. Cheryl Clark Calera, Oklahoma...
...that Australia's largest temperate rain forest, the Tarkine, does not one day follow the fate of the aboriginal tribe after which it's named. The indigenous people who inhabited this northwestern swath of Tasmania for some 10,000 years were wiped out by conflict and disease in the wake of 19th century colonial settlement. Today, their former home?rich in ancient groves and pristine water courses?may be under threat from the island's logging industry, which intends to process the trees into wood chips and pulp. Granted, the Tarkine, spanning 450,000 hectares, is not going to disappear...
...look at the EEGs of people in REM sleep, you see a pattern that shows lots of brain activity--and if you wake them up during it, they will tell you that they have just been dreaming. Any dreams in non-REM sleep usually consist of no more than a simple image or two. But despite all the mythology that surrounds dream imagery, scientists who have searched for the hidden purpose in dreams haven't had much luck. The consensus among sleep researchers today is that dreams are nothing more than random recycling of bits and pieces of the previous...
...sleep. Stages 3 and 4 of non-REM sleep are characterized by distinctive low-frequency electrical waves; researchers call that slow-wave sleep. Intriguingly, humans spend much more time in slow-wave sleep during the first three hours of the night than they do in the hours just before waking. Children are champion slow-wave sleepers, which is why they sleep so soundly when being carried from the car to bed. Adults, on the other hand, get less and less slow-wave sleep as they age, which may be one of the reasons they wake up more often...
...sensation. The nurse woke me up at 5:45, a time of day I hadn't really experienced since high school. And I felt fine. More than fine, actually. I felt like a 10-year-old after a cappuccino. Since I normally take a couple of hours after I wake up (around 10 a.m.) to arrive at even moderate alertness, I was stunned. What had happened? A week later, I got my results from the sleep clinic. Without the CPAP, I had stopped breathing on average 38 times an hour. I had got absolutely no Stage 4 sleep, the kind...