BBC News - The myth of the eight-hour sleep
february 2012 by liedra
For wzdd, who might find this interesting.
sleep
science
history
february 2012 by liedra
danieltenner.com — How to nap
march 2010 by liedra
How to power nap, could be good for lunch breaks? :)
sleep
health
march 2010 by liedra