06-05-2008, 11:26 PM
Loughborough University Sleep Research Centre researchers found that delta waves (in the range of one to four Hz) remained dampened
for nearly one hour after a nearby cell phone was shut off. These brainwaves are the most reliable and sensitive marker of stage two sleep.
Although the test subjects had been sleep-deprived the night before...
http://www.sciam.com/article.cfm?id=mind...ol-by-cell
It seems that if you use cell phone by talking with someone, you couldn't sleep for an hour. Try and see.
for nearly one hour after a nearby cell phone was shut off. These brainwaves are the most reliable and sensitive marker of stage two sleep.
Although the test subjects had been sleep-deprived the night before...
http://www.sciam.com/article.cfm?id=mind...ol-by-cell
It seems that if you use cell phone by talking with someone, you couldn't sleep for an hour. Try and see.