Noun
A
sensation
of
restlessness
characterized
by
an
inability
to
sit
still
/
down
or
remain
motionless
/
seated
,
arising
from
a
subjective
need
or
desire
to
move
,
often
coinciding
with
the
sensation
of
twitching
of
muscles
,
often
as
a
side
effect
of
psychiatric
medications
.