The hypocaust system. The hypocaust system (hypocaustum in Latin) was a heating system used in (wealthy) Roman homes and Roman baths, and the closest thing to central heating today. The hypocaust was a system that circulated hot air under the floor and surrounding walls. Hypocaust construction
CDC: Nearly 9 millon Americans use prescription sleep aids. Nearly 9 million U.S. adults take prescription sleep aids, with use more common among those who are older, female, white and better educated, according to the first government survey of its kind released on Thursday.
Sleep problems persist throughout the country because they havenât been reinforced as an important pillar of health, even though itâs one of the three: exercise, diet, and sleep. Itâs only one of many misconceptions parents and the rest of the adult population have on sleep. Most do not realize sleep is now on the forefront of America's health issues, as it's reached levels of epidemic proportions.