Sitting and sleeping can easily cause cervical spine, lumbar spine disease, but also cause muscle strain around the shoulder blade and other diseases. 1. Cervical spine, lumbar spine: often sit and sleep lumbar and cervical spine in the state of bending, long time is easy to cause deformation of the spine, physiological curvature straightening and arching, but also can cause muscle strain on both sides of the spine, lumbar back pain, and some can also appear headache, dizziness and insufficient blood supply to the brain. Over time, it is easy to cause degeneration and disc herniation. 2. Muscles around the shoulder blade: often sitting can also cause muscle strain around the shoulder blade, if the pressure of the peripheral nerve can also appear arm numbness. In addition to the above common hazards, often sitting and sleeping can also cause hip muscle weakness and strain, can also cause sciatic tuberosity bursitis, hip and leg pain. So often sitting and sleeping is not good for the body, it is recommended to avoid often sitting and sleeping.