Word: sleeps
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Dates: during 2000-2009
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...spoke out in defense of the brain-damaged Terri Schiavo when her case polarized the nation on the right-to-life debate. An accomplished writer who punctuated her arguments with sardonic humor, Johnson penned numerous articles and a 2005 memoir, Too Late to Die Young. She died in her sleep...
...brightness of television studio lights, and compared their effects to those of 300-lux bulbs, which are found in office and retail settings. "I was surprised by the results on cognition," says Van Someren. "I had expected, based on previous studies, that we would find improvements in sleep. But I hadn't expected to see the effect on cognition...
...neurologist at Johns Hopkins School of Medicine. Light, the study's authors suspect, works on the body's circadian clock, which is regulated by a cluster of cells in the brain's hypothalamus. Those cells release agents that, along with the hormone melatonin, help to regulate the body's sleep-wake cycle and are responsible for alerting the brain when the cycle is broken - as in the case of jet lag, for example. "With disregulation of the circadian rhythm, there are lots of changes in hormonal status and metabolites in the blood," says Albert. "So you can imagine that would...
...With age, the cells in the hypothalamus become less active. It's a situation that is made worse by the fact that the elderly tend to spend less time outdoors in the sunlight, which increases melatonin production in the pineal gland, causing sleep and mood disturbances. In earlier studies, Van Someren showed that Alzheimer's patients living in homes who preferred darker rooms were the most restless during the night. Combined with this study's findings, he now believes that the inactivity of these biological-clock cells can be reversed...
...turned off. Two days later, Edita Burgos called a hasty press conference to ask for help finding her son. Tips began to trickle in. One tipster, who claimed to be a former army intelligence officer, said that Jonas Burgos had been snatched by the Philippine military. "I had no sleep," Edita Burgos recalls. "I was imagining all sorts of horrors...