Some images are links. Evidence that unschoolers can sleep peacefully without enforced bedtimes:
The original page on Sleeping for unschoolersHere's a newer page on co-sleeping, with research links: Co-Sleeping
Sleep theory, history, culture, comparison (Outside writings and ideas that might help people see sleep differently)
Link to an article on Sleep, TV and obesity, with commentary: Sleep, TV and obesity (probably not what you think)