here's my thoughts based on absolutely nothing.
FAS: (not too short, 6-7 minutes)
-sleep paralysis:orchestral intro
-night terrors: full band section
-lucid dream: epic ending w/ orchestra
TEI: short badass heavy song
TLG: short Rush-like song (?)
EM: instrumental (quite short but not too much)
TBP: short something
BTV: short ballad (?)
STR: quite long song (8-9 mins?)
AFTR: short ballad (?)
IT: 20 min. epic