You might try IKEA for a loft bed (apologies if you already have), they have a bunch of twin loft beds intended for kids that I think are not too high off the ground.
FWIW, I spent 18 months in grad school with a futon couch as my only bed. The only real downside was that I couldn't invite people over without 20 minutes notice (so I could fold the bed up and throw a heavy spread over it, to avoid having to strip the sheets) -- but then, my housekeeping is so haphazard I'm not big on no-notice parties anyhow. Of course, a lot depends on how comfy your futon couch is.
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Date: 2005-06-30 09:05 pm (UTC)FWIW, I spent 18 months in grad school with a futon couch as my only bed.
The only real downside was that I couldn't invite people over without 20 minutes notice (so I could fold the bed up and throw a heavy spread over it, to avoid having to strip the sheets) -- but then, my housekeeping is so haphazard I'm not big on no-notice parties anyhow. Of course, a lot depends on how comfy your futon couch is.