Which consciousness is it that can induce heartache both within and outside of dreams?

Which consciousness is it that causes heartache both within and outside of dreams? Someone dreamed that their car had been crushed and had completely vanished, and in the dream they felt heartbroken to death; after waking up, their heart still ached. Whose heartache was this? Which mind's feeling is it that clings and is so solid? In the dream, the heartache ached one awake, the fear frightened one awake, the joy delighted one awake—why is it so? Which consciousness's feeling is it in each case? Is the mind consciousness within the dream the same as the mind consciousness outside the dream?

The manas is a continuous consciousness, the same in past lives and this life, in dreams and outside of dreams, always present. It is the manas that governs falling asleep and waking up. The heartache within the dream and the heartache outside the dream are the same; it must be the feeling of the manas that causes the heartache. Moreover, the manas can trigger changes in body and mind—it is the manas that can make the heart ache. When the mind consciousness feels heartache, it is very slight, like a breeze gently brushing the sea surface, without ripples, and does not provoke reactions in body and mind.

Within the dream, through the discernment of the solitary mental consciousness, the manas takes the dream as reality, as an actually existing state, and therefore clings to the dream extremely strongly, to the point of stirring body and mind and giving rise to the phenomenon of heartache. After waking up, the manas still seems immersed in the dream, deeply moved, causing the heart to still feel pain; although the solitary mental consciousness in the dream has already changed, the manas still clings to the dream, so the solitary mental consciousness must recollect the dream state and is also moved by it. Among these, the feeling of the manas is deeply rooted and very hard to change, whereas the feeling of the mind consciousness is easy to change—upon encountering a state, it is readily influenced by that state.

From this it can be seen that the feeling of the manas is not entirely neutral feeling (upekṣā-vedanā); otherwise, it would not cause such great fluctuations in body and mind—one would not be ached awake, delighted awake, or cried awake, and it would be impossible to continue crying, continue rejoicing, or continue aching after waking up. Eliminating self-view (ātma-dṛṣṭi), eliminating feeling, eliminating awareness—eliminating the manas's self-view, feeling, and awareness—is the most difficult; all the views, feelings, and awareness of the mind consciousness are easy by comparison.