My natural tendency is to write about zombie bunnies, but one of my first writing teachers got incorporated into my writing superego, and I keep hearing his admonition to make things feel more real the weirder they get.
She was doing just what it looked like she was doing, lying about, half-awake and half-asleep, passing the time and waiting for something to change. Because it seemed very clear to her, in those first few days, that what she felt was so intolerable that it couldn't possibly last, and if she did nothing to distract herself from it, she'd use it up, and then she'd be able to get up, and move about, and care once again about her duties to her people, about her constitutional obligations to dancing and singing and feasting and praising the movements of the stars. She didn't consider at all--she didn't dare to consider--that the sources of grief inside her might be inexhaustible.