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...risk also higher during the last part of sleep? Usually, during the night, the cardiovascular system is "sleeping," which is characterized by low blood pressure and heart rate. But the last stage of sleep - REM, or rapid eye movement, sleep [when we believe most dreaming occurs] - is a risk period for cardiovascular emergencies because when you dream, you have a dramatic increase of activity of the autonomic nervous system - even more than when you are awake. Probably each of us can remember waking up in the morning sometimes feeling very tired. That's because during that stage of dreams...
...hour coverage]. We have to be sure that the pill we're prescribing is still active when patients need it most. It's not as easy as simply asking patients to take pills before bed instead of first thing in the morning, because during sleep we have a low heart rate and blood pressure. If you lower your blood pressure too much during the night, you risk reducing blood supply to the brain, and that can be harmful...
...clinical validity. "We don't think this is ready for common people to use it. Most of the time, it doesn't help you very much, because there isn't much you can do about it," Drazen says. "If they do your test and say you are at a low risk for heart disease, does that mean you should be on a program of sloth and gluttony...
...fund SDI because they see it as the death knell of SALT II, the ABM pact and arms control in general. Aspin predicts that Congress will freeze this year's $2.8 billion SDI budget. The members of the House Armed Services Committee, he says, rank SDI as a low priority. In the Senate, a subcommittee working on the SDI funding proposal cut $800 million from the Administration request last Friday, with conservative Republican Orrin Hatch joining those seeking more substantial slashes...
...high-profile campaign complete with apocalyptic speeches warning of a Communist takeover of the Americas and a televised appeal to the nation. In the end, the House voted against him. This time around, as Reagan takes another crack at winning approval for his package, he has adopted a more low-key approach, tending to rally support behind closed doors. Yet already the public charges, by both friends and foes of the anti-Sandinista rebels, are beginning to fly. Instead of speechmaking about Marxists marching across the Texas border, CIA Director William Casey told members of Congress last week...