ὕπνοςhýpnos

Same root

• ὑπόhypó · G5259under, i.e. (with the genitive case) of place (beneath), or with verbs (the agency or means, through); (with the accusative case) of place (whither (underneath) or where (below) or time (when (at))
• ἀγρυπνέωagrypnéō · G69to be sleepless, i.e. keep awake
• ἐνύπνιονenýpnion · G1798something seen in sleep, i.e. a dream (vision in a dream)
• ἔξυπνοςéxypnos · G1853awake
• ἀφυπνόωaphypnóō · G879properly, to become awake, i.e. (by implication) to drop (off) in slumber

Where it appears

Appears 6 times in the Bible.

• Matthew 1:24 When Joseph woke up, he did as the angel of the Lord commanded and took Mary as his wife.
• Luke 9:32 Peter and the others had fallen asleep. When they woke up, they saw Jesus’ glory and the two men standing with him.
• John 11:13 They thought Jesus meant Lazarus was simply sleeping, but Jesus meant Lazarus had died.
• Acts 20:9 As Paul spoke on and on, a young man named Eutychus, sitting on the windowsill, became very drowsy. Finally, he fell sound asleep and dropped three stories to his death below.
• Romans 13:11 This is all the more urgent, for you know how late it is; time is running out. Wake up, for our salvation is nearer now than when we first believed.