Daydreams

5 clues
Goofs off
Flights of fancy
Castles in the air
Does some woolgathering
Has one's head in the clouds
Similar answers:
Airstreams
Allthereams
Baddreams
Badreams
Bloodstreams
Breams
Brokendreams
Cityofdreams
Creams
Creamsauce
Creamsherry
Creamsicle
Creamsoda
Creamsodas
Crossthestreams
Curlofmydreams
Daisydreams
Daydream
Daydreame
Daydreamed