FR 3976 then FR 1978 at Dublin
Barcelona → Dublin → Lodz
Timetable, Dublin time
19:00FR 3976 from Barcelona at the gate
09:15FR 1978 to Lodz leaves the gate
14 h 15 apart on the timetable, overnight
FR 1978 leaves 14 h 15 after FR 3976 arrives on the timetable: more than half a day, so not a connection we count.