Her eyes rolled, and she started to sink to the floor.

And it does start to sink through after a while.

When the sun starts to sink, this is the perfect place to be.

If he stayed too long in one place, the machine started to sink.

After a few minutes, the reality of her situation started to sink in.

The red sun was starting to sink in the west.

His eyes closed again, and he started to sink back.

I don't think it all even started to sink in until the next day.

She started to sink to the ground, but Raven held her up.

The latter was now on fire and starting to sink.