Well, I've seen similar symptoms in people who are under large amounts of stress for long periods of time, where the source of the stress has no clear solution and there is very little respite or relief.
Such things are to be expected. That's what bodies do... they start to shut down when there is too much stress on the systems in order to preserve the organism... So your body is causing you pain and sleep and inertia because it "thinks" that it is helping to keep you from overdoing it and damaging yourself.
But sometimes these sorts of things do develop into something a bit more severe.
see: Somatoform disorder
In addition to talking about the emotions, getting "away" from them might be helpful in the form of physical exercise, yoga or meditation... all things that can help to redirect/counteract some of those physical issues. At least, if possible, go and do something pleasurable to get your physical senses back on your side again.
I hope some of this helped.
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Plantae/Magnoliophyta/Magnoliopsida/Fabales/Fabaceae/Mimosoideae/Acacia