Strange Dreams or Visits from the Dead?

Ever since my father died I've had a few dreams where he is in them and they feel so Real

The first one was on the night my dad's funeral was going to happen, it was the most realistic one.

I was wandering outside the front of our house (which looked exactly like our home just with our old white paint instead of the brown we have now) and there was a massive Jade tree planted that in my brain I knew me and my mom planted for my dad.

I had a dad cap on, similar to my dad's hat he always wore, and I jokingly kept offering it to the tree for an odd amount of time but suddenly I saw my dad poke his head around the corner of the house and I just burst into tears and ran to hug him, I was asking how he was alive and he said it's because I believed in him so he was going to come back for a little while. I kept trying to take a selfie of us together but he was showing up as some random guy.

Suddenly we appeared in an odd classroom that was playing the TF2 thing "Expiration Date" (at the time TF2 was a big hyperfocus of mine) and I was trying to explain TF2 lore but he was bored, then again we snapped to the inside of my house and he was lounging on the couch in his normal spot. I asked him questions like: "What happened during the car crash," and he said sorry, he started saying "the guy who hit us" before I clarified the man's name... I remember him looking very mad and he said something but I forgot it.

Another question I asked was "So what-- What is the afterlife like? Did you do to one?" and he responded with "It was dark but it was warm, the sunshine here is warm." (he said it like that but in my mind it registered as him saying the sunshine in the afterlife was warm). I remember him kicking the couch all the way back before putting his hat over his face like he would do when he napped and then just fell asleep. I said something like "of course he leaves sitting like that" in a joking tone

Then I Woke Up.

The next one isn't as shocking because all it was was me dancing to the song "Hot Patootie/Bless my Soul" in a Hawaiian-themed restaurant and we locked eyes and it felt like I was looking at him in real life.

So what does anybody who sees this think? Was I really talking to my dead dad or were they just some very vivid dreams to help me cope with his death?