SEATTLE - Millions of combat veterans have lived through these nightmares every night, often for decades, as one symptom of post- traumatic stress disorder.

Now though, a group of PTSD patients at the Veterans Administration hospital in Seattle say they are getting a nightly reprieve with help from Dr. Murray Raskind, a VA psychiatrist. Since 1998, Raskind has been experimenting with prazosin, an old blood- pressure medication that, in tests, has reduced and often stopped the nightmares.

If the drug delivers on its promise, prazosin could ...

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