The power to use sleep-related magic. Form of Magic. Variation of Sleep Manipulation. Not to be confused with Dream Magic.
The user is able to perform a legendary form of magic that allows them to cast magical spells related to sleeping, dreaming and nightmares.
The Sandman (Eurpopean Folklore)
Queen Regina (Once Upon a Time) is experienced in the use of a powerful sleeping curse, having used it more than once.
Sanderson Mansnoozie (Rise of the Guardians) has the power to put children to sleep with his magical sand.
Mystogan (Fairy Tail), uses Sleep Magic to put others to sleep.