Siren call

A siren cries in the night
It coaxed me, but not out 
Of my dreams, or perhaps
Into an awakening reverie 
In the night, wondering why
Sirens are so much louder
At noon. At noon, they wail
As if having a tantrum as
Traffic blocks their path, or I
Remind myself, it's cars that
Carry the siren so it's cars 
Crying in the night then it's 
Cars wailing at noon