–it is very injurious, your dreams will be hideous, and you will not feel rested on arising.  It is dangerous to persons suffering from throat or lung troubles.  The temperature of your sleeping room should not be permitted to fall below 40° above zero.

–it makes you sheepish and causes you to lose confidence in others, as well as in yourself.  Lying haunts you in your dreams, and plants a bed of thorns all along your pathway.