> Forth at your eyes your spirits wildly peep, > And as the sleeping soldiers in th’alarm > Your bedded hair like life in excrements > Start up and stand on

> Forth at your eyes your spirits wildly peep, > And as the sleeping soldiers in th’alarm > Your bedded hair like life in excrements > Start up and stand on end. i read that as "your hair is standing up as if made sticky with poop"... "life in excrements" here sounds like it means "covered in".