Translation of "Crumbling" in Japanese

Old traditions are crumbling away.

古い伝統が消滅しつつある。

Recently, I've been suffering from lack of sleep, so my skin is crumbling.

最近、睡眠不足だったから、お肌がボロボロ。

- I haven't slept well recently, so my skin is falling apart.
- Recently, I've been suffering from lack of sleep, so my skin is crumbling.

最近、睡眠不足だったから、お肌がボロボロ。