Where can I find these dream sequences?

Hint 1 of 11:

Have you explored the house thoroughly?

Hint 2 of 11:

Have you tried to open all of the rooms upstairs?

Hint 3 of 11:

Have you looked at the stairs carefully?

Hint 4 of 11:

Upstairs, there is another hallway.

Hint 5 of 11:

You can open a door on that hallway.

Hint 6 of 11:

This room has a wall completely torn from it.

Hint 7 of 11:

Follow your pointing finger all the way to enter this dream.

Hint 8 of 11:

There is a basement!

Hint 9 of 11:

Instead of going upstairs, turn and follow the stairs down.

Hint 10 of 11:

Open the doors you come upon.