παραβλύζειν τοῦ οἴνου ἐν τῷ ὕπνω → disgorge wine in one's sleep, belch a bit of wine in one's sleep
gaily: P. and V. εὐθύμως (Xen.), ἡδέως, P. ἱλαρῶς (Xen.).
recklessly: P. εὐχερῶς.
heedlessly: V. κούφως.