It is common in the Bible for people to "rise up," and it would be easy to pass over the phrase as simply describing a physical action. But in fact it represents an elevation in spiritual state, moving to a more internal frame of mind closer to the Lord. Often it has to do with understanding a new or important idea; we "rise up" to a state of greater perception and enlightenment. Obviously context is crucial to the exact meaning of the phrase in a given passage -- it matters greatly who it is that is rising up, and why.

4428. 'The daughter of Leah, whom she bore to Jacob' means in things that are external. This is clear from the representation of 'Leah' as the affection for external truth, dealt with in 3793, 3819, and from the representation of 'Jacob' in the highest sense as the Lord as regards the Divine Truth of the Natural, dealt with in 3305, 3509, 3525, 3546, 3576, 4234, 4273, 4337, and in the relative sense as the external Church, or what amounts to the same, the external aspect of the Church, dealt with in 3305, 4286. From all this it is evident that 'the daughter of Leah, whom she bore to Jacob' means the affection for truth in things that are external.