Plain Facts for Old and Young by John Harvey Kellogg

3 by John Harvey Kellogg, Kellogg, John Harvey, 1852-1943

Chapter 115: 8. Thorough ventilation of the sleeping-room, both while occupied and

Chapters

Chapter 115: 8. Thorough ventilation of the sleeping-room, both while occupied and

during the day-time, must not be neglected. It should be located in a position to admit the sunshine during the morning hours. It is a good plan to keep in it a number of house plants, as they will help to purify the air, besides adding to its cheerfulness.
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