He's honestly sleeping and forgot about the call just because he over brank when he shouldn't have.
He was sleep but he heard the ringing and reached for his phone grunting, he got it then accepted the call.
"Mm..H-Hey..Who is it..?"
His voice was really deep cause he was just sleeping
"Mn..n-not really..I-I did drink too much..but I slept it off..know my heads killing me.."
He was confused but the phone back down and went back to sleep.
(Mhm)
