How about a single sofa bed for bed Feng Shui?
Long term sleep sofa is not good for the body, if a child, because the skeleton has not yet fully formed, sleep on the sofa, the sofa is deformed because of hands, and the body itself is uneven, easy to sleep long bone deformation, easy to produce the spine and neck hyperplasia disease.
Adults are formed because they do not affect the growth of the spine. But because of the sleeping process, the cervical vertebra and the lumbar vertebra have been in the stress state, and the limbs and bones can not be fully extended. It is easy to cause physical fatigue and skeletal pain, and is prone to cervical spondylosis and lumbar spondylosis! So don't sleep on the couch for long periods of time