VENTILATION 



185 



changed. Bedroom furniture should be simple, and but little 

 drapery should be allowed in the room. Do you know why? 



In cities especially, the 

 night air is purer than day 

 air, because the factories 

 have stopped work, the 

 dust has settled, and fewer 

 people are on the streets. 

 The old myth of " night 

 air" being injurious has 

 long since been exploded, 

 and thousands of people of 

 delicate health, especially 

 those who have weak 

 throats or lungs, are re- 

 gaining health by sleeping 

 out of doors or with the windows wide open. The only essential 

 in sleeping out of doors or in a room with a low temperature is that 

 the body be kept warm and the head be protected from strong 



Good window ventilation. The window 

 open from both top and bottom. 



Outdoor sleeping places in city and country. 



drafts by a nightcap or hood. Proper ventilation at all times is 

 one of the greatest factors in good health. 



