In space, no one can hear you dream

Some folks can sleep anywhere. Others, while traveling, need the comfort of a pillow brought with them from home in order get a bit of shut eye. For the privileged handful that have journeyed into space, taking a snooze is, well, like nothing else on earth.

In this video, former NASA astronaut Mike Massimino provides some insider insight on what it takes to catch a few Z's in zero-gravity. Read the rest