1. REM Sleep And Its Effects On The Mind And Body
... as is normal when people are awake. Even at 4 in the morning when the body should be fast asleep and quiet, everything is pounding away. The sympathetic nervous system is in overdrive. The idea that dreams may be bad for the heart remains highly speculative. Doctors have long noticed that angina attacks, which occur when the heart fails to get enough oxygen, sometimes happen during sleep. And people ... blockers, drugs that blunt the effects of stress hormones on the heart. During most stages of sleep, the heart rate and blood pressure fell and the sympathetic nervous system grew less ac...
- Word Count: 2618
- Approx Pages: 10
- Has Bibliography
- Grade Level: High School