2008
How Much Sleep Do You Really Need? - Yahoo! News
by greut
Studies show that people who sleep between 6.5 hours and 7.5 hours a night, as they report, live the longest. And people who sleep 8 hours or more, or less than 6.5 hours, they don't live quite as long. There is just as much risk associated with sleeping too long as with sleeping too short. The big surprise is that long sleep seems to start at 8 hours. Sleeping 8.5 hours might really be a little worse than sleeping five.
2007
2006
How to have a 36 hour day
by YukuanMark & 7 others
How many times do you hear someone say “I wish there were more hours in the day” or something along those lines? The fact is that all of us are only given 24 hours. Having said that, how we spend those 24 hours varies radically from person to person.
New pill increases dreaming sleep
by wyliej
A new sleeping pill that increases dreaming sleep improves memory capacity, according to the results of new research.
2005
1
(13 marks)
