1. We have the references to water. Neck deep we wallow refers to being in deep water, up to your neck. Wallowing is when you are having difficulty moving through water or maybe mud, basically you are stuck. People who wallow in their misery are also stuck. Then it mentions sinking twice and when a boat is listing it is leaning to the side and in danger of sinking. But "list your feet"?
2. There seems to be a number of references to death. Razorwire is very sharp and deadly. We dream of something beautiful and delicate on something deadly and wake to the scent of our dead. Bleeding out is dying by losing all of your blood so "bleeding out the day" is to drain the day of all its life. We left our body for the sky makes me think of dying and the souls ascending. I can't figure out how that ties into "don't let them list your feet".
3. I wonder if there is a meaning for "list" that somehow involves binding or tying. Then it might fit in with the "this floor catches lingering feet
By rope with heartbreak" earlier. Makes me think of being snagged or tangled.
Overall, the poem makes me think of the process of dying. Our bodies sink, our soul rise and we bravely let the life drain out of the day. The floor (earthly life) might catch us with heartbreak and we might linger or wallow, but the release of death is the happiest moment of all. We dream of loved ones who died before us (flowers on razorwire) and wake to their scent. The body sinks into the earth and the strength of our wings raises our souls. Be brave and let life drain out.
The "don't let them list your feet" doesn't make any sense for me unless it refers somehow refers to them being caught or pulled or bound in some way.