Who knows that night always sleeps canvas deck chair (quality is not very good), what effect has to the body?
Harm: sleep on the deck chair, can make the weight distribution of the human body are the focus to the concave object, muscles, joints, guts are closer to the center of gravity and extrusion, over the long term, will make a joint problem (such as: extrusion and deformation) and pain, your mother is such a situation.
It's because of your mother's long-term sleep style that, once changed, doesn't fit, and slowly and purposefully change your mother's way of sleeping.
The quality of sleep is not good:Lying on the chair to sleep, head high, make the mind insufficiency, and lack of support (by blood oxygen is carried from the mind, it is easy to lack of support) neurasthenia (normal metabolism of lack of oxygen so that the mind is hindered, neurasthenia, etc.) will sleep well.Recommendation: buy some brain (cerebral hypoxia treatment of neurasthenia medicine). Often exercise muscles and bones, and try to sleep on the more and more flat bed (can be used to pad height, and then gradually reduce the height to sleep on a normal bed).
