John 11:13

13Had spokenεἰρήκειhoweverδὲὁJesusἸησοῦςofπερὶtheτοῦdeathθανάτουof himαὐτοῦ.theyἐκεῖνοιhoweverδὲthoughtἔδοξανthatὅτιofπερὶtheτῆςrestκοιμήσεωςτοῦof sleepὕπνουHe speaksλέγει.

Now Jesus had spoken about his death; but they thought that He speaks about the rest of sleep.