So i had a really odd dream on saturday night, which you may have guessed from the subject title!

In my dream, I was waiting for (and getting on) ferries. I got on 3 in total, all as a foot passenger.

I don't remember the first 2 ferries, just that I was getting on my third.
For the last ferry I got on, whilst I was waiting for it to dock, I was talking to my friend (who now lives on the other side of the world)
The boat docked at a different place to where we were waiting, and as the crowd of people walked to to boat, I walked in front of them all, and got on the boat. No one seemed to notice

I was wandering around on the boat, until I found my husband, son, and an unknown person sat at a table eating a meal. I crouched down to talk to my son, but he didn't talk to me, and got very upset. Which in turn, upset me.
I sat on the floor next to my husband's chair, for him to tell me not to get upset, because I was dead, and my son is coming to terms with it.

I remember crying and being in a state in my dream, and then woke up crying.

What can this mean?

Background info:
Me and husband 33, son 3
There's some uncertainty about the future of my job, although I know I have a job for at least another 18 months.
I haven't been sleeping well for a while (from about 3am I am very unsettled)
I don't usually remember dreams, or have them so specific