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.
And 10% to 15% of Americans say they have trouble sleeping all the time. When insomnia strikes, one option is to try prescription sleep aids. But several natural sleep remedies might help you, too. Lifestyle changes, as well as foods, supplements, and herbs may help you get restful sleep. Try these when youâve counted your last sheep.