ernoon play, works far less well for
it than if the time were more equally divided between the two.

The attacks not infrequently come on on waking in the morning, and
rapidly become worse, the pain, which is almost always referred to the
forehead, being attended with much intolerance of light and sound, with
nausea, and often with actual vomiting. Like the vomiting of
sea-sickness, however, previous stomach disorder has no necessary share
in its production, and I may add, indeed, that it is often difficult to
assign any special exciting cause for the attack. The suffering is more
often relieved by warm or tepid than by cold applications, and not
infrequently pressure or a tight bandage greatly mitigates it. In no
case does the attack last more than twelve hours--usually not more than
half that time; it passes off with sleep, and leaves the patient weak
and with a degree of tenderness of the head to the touch.

Such attacks may occur every fortnight, ten days, or even oftener, but
their very frequent return, instead of increasing apprehension, should
diminish anxiety. A first attack, indeed, may seem as though it
threatened mischief, till it is seen how speedily and completely it
passes off, and when afterwards a second or a third attack comes on with
the same severity of onset, the same rapid worsening, and the same quick
passing away, you will feel convinced that the symptoms have no grave
meaning.

There is a headache of quite a different kind to which I must for a
moment refer, that, namely, which depends entirely on imperfect vision,
and for which spectacles are the remedy, not physic. The infirmity is
not noticed during the first few years of life, but in later childhood,
when a tolerably close attention to study has become necessary. Some of
the minor degrees of short-sightedness, and want of power of adaptation
of the eyes, such as exists in the aged, soon begin to interfere
sensibly with the child's comfort, and the strain to which the eyes are
subject produces a constant pain over the brow, the cause of which is
often unsuspected.[13]

In all cases, therefore, in which a child complains of constant pain
over the brow for which there is no obvious cause, it is well to take
the opinion of an oculist, who can best ascertain the power of _reading
at different distances_ and with each eye separately, and the real cause
of symptoms which had occasioned much anxiety is thus often brought to
light.

=Night Terro