Young justice imagines and preferences

They have a nightmare

Nightwing
Nightwings nightmares are usually about you,batman,any of the robins dying

Robin
His nightmares are about loosing you

Superboy
Superboys nightmares are about Becoming out of control and loosing everyone

Lagoon boy
Lagoon boys nightmares are usually about loosing someone or drowning

Beast boy
Beast boys nightmares are usually about being stuck as one animal and loosing control

Aqualad
Aqualads nighgtmares are about dying on a mission and never seeing you again

Blue beetle
Blue beetles nightmares are usually about the scarab taking control and you dying