I saw this posted on another forum by 'Futureprimitive'.

A new study shows people in hammocks fall asleep faster and sleep deeper in hammocks.

I wonder what brand hammocks were used and other details. It is a small study, but I think it confirms what many of us already know.

Here are the links:
http://thechart.blogs.cnn.com/2011/0...-deeper-sleep/
http://www.google.com/hostednews/afp...87e471ccee.2c1