The meaning of linen / sheets / pillowcases in dream | Dream Interpretation
The color is important.
Folklore: Good omen.
If a person appears to you dressed in linen garments, you will shortly be the recipient of joyful tidings in the nature of an inheritance.
If you are apparelled in clean, fine linen, your fortune and fullest enjoyment in life is assured.
If it be soiled, sorrow and ill luck will be met with occasionally, mingled with the good in your life.... Ten Thousand Dream Interpretation
2- In today’s world, where everything is done as quickly and as easily as possible, linen appearing in a dream would suggest a slowness of pace and caring which enables us to appreciate our lives better.
3- Spiritually: fine linen signifies purity and righteousness. It was the cloth used to wrap Christ with in the tomb, and therefore suggests reverence and love.... Ten Thousand Dream Dictionary
If your Linen is soiled or stained, it denotes serious loss in business, unless you see yourself change the garment, when you may expect to get over your worst difficulties.
A dream of Linen also depends upon the colour of the garment—see WHITE, BLUE, and other shades under COLOUR.... Mystic Dream Book