The Fluctuations of the Neshama Yeseira During the Seven Days of the Week

From B'yam Darkecha on the Beauty of Shabbos & the Yomim Tovim: R Yossi Michalowicz by R Yossi Michalowicz.

pp. 76 - 84 : On Shabbos, the World of Atzilus positively effects the all 3 levels of the soul in all 3 worlds. On Sunday, we retain the extra level of Neshama in the world of Bereah; Monday - level of Ruach in the world of Yetzirah; Tuesday - level of Nefesh in the world of Asiah; Wednesday, we prepare the Nefesh to receive a newer higher level in the world of Asiah on the coming Shabbos; Thursday - the Ruach prepares for a newer level in the world of Yetzirah on the coming shabbos; Friday - the Neshama prepares for a newer level in the world of Bereah on the coming shabbos.