This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.
When sleeping outdoors it is essential that the head and neck be protected from draughts; these are responsible for most of the colds caught by the inexperienced out-of-door sleeper. A knitted or woolen cap made according to the accompanying pattern will be found satisfactory. It covers the head completely except for a narrow oval for the face; in addition, it has a long tail which may be pushed under the pajama coat, thus affording protection to the neck.
FRAZER T. A CAP FOR OUTDOOR SLEEPING. JAMA. 1909;LIII(26):2161. doi:10.1001/jama.1909.92550260001001k
Customize your JAMA Network experience by selecting one or more topics from the list below.