Just before dusk, 18 strangers entered a yurt on a Midwestern homestead. Peruvian tapestries decorated the walls of the large, round structure, and rattles stood poised for ceremony.

The participants - professional men and women ages 35 to 65 - put on comfortable clothing and set up sleeping bags, pillows, and blankets. Everyone got a plastic bucket, cheerfully colored in green, red, or blue.

"It looks like a big pajama party," joked the host, Kim. ...[Continue reading on Village Voice]