To dream of a blanket represents comfort, solace, and safety. Perhaps you are trying to hide from outside influences. Contemplate the possibility that the blanket may be bringing awareness to some aspect of your life.
To dream that you are wrapped in a blanket implies that you are wary and hesitant to enter into unfamiliar territory. Perhaps associates or friends are behaving indifferent towards you.
To dream that you are covering or wrapping someone in a blanket reflects your need to offer comfort or peace to them.