The '''Hypakoe''' or '''Ypakoe''' (Greek:
Υπακοή, from the verb υπακούω, "hearken" or "give ear") is a [[troparion]] sung at [[Matins]] on [[Great Feasts]] and [[Sunday]]s:
# On some Great Feasts it occurs after [[Biblical Odes|Ode]] Three of the [[Canon]], and on [[Pascha]] it is also sung again at the [[Liturgy]] with the [[Pascha#Hymns|Paschal troparion]] and [[kontakion]].
# The Sunday Hypakoe is also read at the Sunday [[Midnight Office]], after the Canon to the [[Trinity]].<ref>''The Festal Menaion'' (Tr. Mother Mary and [[Archimandrite]] [[Kallistos Ware]], Faber and Faber, London, 1984), p. 561f.</ref>
It is also a short hymn sung at [[ Orthros]] immediately following the [[litany| Little Litany]] after the [[Polyeleon]] . Its name means "Obedience, " and it is distinguished by making reference to the obedience of the [[Sunday of Myrrh-bearing Women|myrrh-bearing women]] . It was first created by Emperor [[Leo VI the Wise|Leo the Wise]] who reigned in 886 and died in 912.<ref>''Divine Prayers and Services of the Catholic Orthodox Church of Christ''. arr. the late Reverend Seraphim Nassar. [[AOCA|Antiochian Orthodox Christian Archdiocese of North America]]. 3rd ed. 1979.</ref>