n.失调
But where unbruised youth with unstuff'd brain doth couch his limbs, there golden sleep doth reign: Therefore thy earliness doth me assure thou art up-roused by some distemperature; 老年人因为多忧多虑，往往容易失眠，可是身心壮健的青年，一上了床就应该酣然入睡；
