To rearrange your Dreams:

Hit the pencil icon on the top right corner of the Dream page.

Simply press down on the dream you want for a few seconds, then rearrange and place it where you want it to be. 

You can also rearrange your Habits and Tasks within a specific Dream via the Dream page.

Simply tap on the Dream that you'd like to edit.

Then press and hold on a Habit/Task to access the 'Customize order' button. Tap that, and you're free to rearrange your Habits and Tasks for that specific Dream!

To rearrange your Habits and Tasks for all Dreams, navigate to the To-Do page and press/hold onto a specific task that you would like to rearrange. Select Customize order and you'll be directed to a screen where you can reorder your habits/tasks whichever way you want!