νυστάζω nystázō

Meaning

to nod, i.e. (by implication) to fall asleep; figuratively, to delay

In the King James Version: slumber

Derivation: from a presumed derivative of G3506 (νεύω);

Where it is used

• Matthew 25:5 When the bridegroom was delayed, they all became drowsy and fell asleep.
• 2 Peter 2:3 In their greed, these false teachers will exploit you with deceptive words. The longstanding verdict against them remains in force, and their destruction does not sleep.