Sleeping apartments should be large and so arranged as to have a circulation of air through them, day and night. Those who have excluded the air from their sleeping rooms, should commence to change their course immediately. They should let in air by degrees, and increase its circulation until they can bear it winter and summer, with no danger of taking cold. The lungs, in order to be healthy, must have pure air. (2SM 463.1) MC VC

Those who have not had a free circulation of air in their rooms through the night, generally awake feeling exhausted, feverish, and know not the cause. It was air, vital air, that the whole system required, but which it could not obtain. Upon rising in the morning, most persons would be benefited by taking a sponge-bath, or, if more agreeable, a hand-bath, with merely a wash-bowl of water. This will remove impurities from the skin. Then the clothing should be removed piece by piece from the bed, and exposed to the air. The windows should be opened, and the blinds fastened back, and the air left to circulate freely for several hours, if not all day, through the sleeping apartments. In this manner the bed and clothing will become thoroughly aired, and the impurities will be removed from the room. (2SM 463.2) MC VC

Shade trees and shrubbery too close and dense around a house are unhealthy; for they prevent a free circulation of air, and prevent the rays of the sun from shining sufficiently through. In consequence of this, a dampness gathers in the house. Especially in wet seasons the sleeping rooms become damp, and those who sleep in the beds are troubled with rheumatism, neuralgia, and lung complaints, which generally end in consumption. Numerous shade trees cast off many leaves, which, if not immediately removed, decay, and poison the atmosphere. A yard beautified with scattering trees, and some shrubbery, at a proper distance from the house, has a happy, cheerful influence upon the family, and, if well taken care of, will prove no injury to health. Dwellings, if possible, should be built upon high and dry ground. If a house be built where water settles around it, remaining for a time, and then drying away, a poisonous miasma arises, and fever and ague, sore throat, lung diseases, and fevers will be the result. (2SM 463.3) MC VC