Fill in the blank with appropriate word in each gap:-

  Dream is a series of thoughts, images and sensations occurring in a person's mind during sleep. Dream is a (a)--of unconscious wishes, thoughts and imaginations. It (b)--be sweet or horrible. When we dream (c)-- pleasant, we call it a sweet dream. (d)--when we dream something extremely bad, we (e)--it a nightmare. Dream is meaningless if (f)--is a day dream. But dream has also (g)--real purpose as it is related to our (h)--emotional and physical well-being. The main benefit (i)--dream is that it produces new thoughts (j)--ideas in brain and helps to clean up clutter from mind.