胎儿式睡姿的人往往比较害羞、敏感，而仰卧在床上、双臂靠在身体两侧的士兵式睡姿的人则比较安静，保守。

• Fetal sleepers tend to be shy and sensitive while people who assume the soldier position, flat on their back with arms at their sides, are quiet and reserved.