in our changeful climate, is a wise measure. All have at some time been
awakened in the night by the increasing cold, which would prevent
further sleeping if there were no remedy of this sort at hand. No more
covering should be used, however, than seems judicious. Pernicious
habits may be formed in this respect, which should be corrected, though
we are aware some natures are more delicate and sensitive to cold than
others.

Many there are, who sleep with their heads covered; this is highly
destructive to health, and cases of scrofula may be directly traced to
this custom. The poisonous exhalations from the body, together with the
constant exhaustion of the oxygen from breathing, renders this confined
air foul to the last degree. "The custom of covering the faces of
children with the bed-clothes," says the celebrated Florence
Nightingale, "produces a large share of the cases of scrofula found
among them."

Invalids afflicted with catarrhal troubles should be careful to sleep
upon their sides with their faces as much downward as possible, and
dispense with all proppings, except a small thin pillow, the end of
which will serve to give the right inclination to the face. The reasons
for this, in these cases, are so obvious that there is no need of their
statement here. The side is, for that matter, the best attitude for the
sleeper in all cases, as also is a very slight elevation of the head,
since the flow of the blood is less obstructed.

The habit of throwing yourself down to rest during the day without extra
covering, is a source of many colds. The invalids should remove their
outer dress wholly and get into bed, and thus secure not only immunity
from possible colds, but a better circulation of the blood than they can