Fancy Dress ideas

[Goya]

OK you clever people. please help.
OH and I are going to the BFA Champs this w/e and one night's entertainment is to go in fancy dress.
The theme is "dreamers"
I'm totally useless at this sort of thing so have any of you asny easy, cheap ideas we can cobble together before Thursday?
Thanks in advance

 

[Spudlet]

Go in your PJs, dressing gowns and Wee Willy Winky nightcaps, little candles in those candle holder thingies and slippers

 

[Spudlet]

Or just roll yourselves up in your duvet