pkpk was crying last night and now her eyes are swelled up.  Tears are strange; you cry when you're happy and when you're sad.  This discussion of tears reveals a terrifying plot!
I watched this really emotional movie 
before I went to sleep last night.
Estuve viendo una película muy triste antes de dormir.
Sí, es que ayer estuve viendo una película muy triste antes de dormir.
Ontem, antes de dormir, 
assisti a um filme emocionante.