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. "