CNN's Dr. Sanjay Gupta reports on why some people are more easily awakened than others.
- When a person sleeps they have different patterns or sleep spindles.
- A person that has a lot of sleep spindles blocks disturbances such as noise.
- People with the most sleep spindles were getting the best sleep.
- People with fewer sleep spindles would wake up 20-30 times a night but did not remember.
CNN's Dr. Sanjay Gupta reports on why some people are more easily awakened than others.
What makes some sleep more soundly?
http://cnn.com/video/?/video/health/2010/08/11/gupta.sleep.spindles.cnn