Runaways has two instances. First, prior to her escape, Molly's evil mutant parents use their psychic abilities to force her to go to sleep (and it's implied that they've done this before.) Much later, Nico uses the "Settle Down" spell to force Klara to sleep after the latter suffers a panic attack... which, of course, pisses of Molly after she finds out about it.
In The Sandman, Dream is capable of compelling mortals to sleep.
In Shadowpact, the villain White Rabbit has an enchanted sword that causes instant sleep when it draws blood.
In Marvel Comics' DP7 Lenore exudes an energy from her skin which sucks up the life energy of those exposed to it, so if anyone sees any of her their energy gets sucked out of them and they pass out. One of the other Displaced is a Speedster who can't turn off his speeding, so she exposes her face to him so he can sleep once in a while.
At the end of Tintin: Flight 714, aliens use their psychic powers to wipe everyone's memories of the events on the island, then compel them all to sleep.
Inverted in an issue of Legion Of Superheroes where the government of the planet of Naltor, most of whose citizens have precognitive abilities, transmits a signal that prevents the planet's youth from sleeping, because sleep is necessary to their precognition and the government don't want them to see the future, in which there is a war coming that will necessitate a draft.
In Dark City, the Strangers are capable of putting humans to sleep at will simply by waving their hands and saying "sleep". They do this quite regularly in order to perform their experiments on the people in the city. One of the Strangers has the Meaningful Name Mr. Sleep.
The Wicked Witch in The Wizard of Oz seems to have the ability to create poppies that cause this effect.
This is an ability of the rogue angel Gabriel in The Prophecy. It takes inspiration from The Bible, where the Archangel Gabriel has the ability to make people collapse in a stunned heap with his mere presence.
In The Dresden Files, putting people to sleep is one of the few mind-influencing effects that is not considered illegal by the White Council. That's because it's used exclusively to induce dreamless sleep in victims of psychic attacks, providing relief from their mental suffering.
Sam, from Sam & Cat has the ability to pinch someone KO, as seen in the episode "#peezyB". It's (very lightly) implied that the victims fall asleep, as the victims are being told "good night" beforehand and are referred to as sleeping FAR more often than as unconscious.
In the Supernatural episode "What Is And What Should Never Be" the djinn induces a sleep state, where a person's greatest wish is true, while he drains blood from his victims.
In a game of Greatest Hits, Colin is able to put Ryan to sleep, simply by tapping his temple, and wake him up again by doing the same.
In a game of Helping Hangs, Ryan has Colin grab Kathy Greenwood's face, then says, "Aaaaaand... sleep!" Kathy starts to stumble, as if to fall asleep on the spot, until Ryan says, "I'm kidding, I'm kidding," then she regains herself.
A recurring joke in Mystery Science Theatre 3000 has one of the characters yelling "SLEEEEEEEP!" at another, oftentimes in the middle of otherwise typical hypnosis-styled scenes in order to put someone to sleep.
The cleric/priest spell Symbol has a Sleep variant that sends multiple opponents to slumberland.
Some creatures have breath weapons consisting of sleep gas, such as the brass dragon (cone 70 feet long), moonstone dragon (cone 30 feet long) and kamadan (cone 30 feet long).
The bite of a homonculous causes its target to fall into a comatose sleep for from 5-30 minutes.
The gaze of a jackalwere makes its victim fall asleep.
Certain monsters have the innate ability to cast the Sleep spell, such as ice lizards, night hags, ogre magi and the slaad lord Ygorl.
Pixie, sprite and hybsil arrows cause the target to sleep for 1-6 hours.
A satyr can use its pipe to play a tune and put other creatures to sleep.
The sussurrus gives off a "dronesong" that could put undead to sleep.
In Module IM3 The Immortal Storm, while in a technological plane where their magical powers are suppressed, when the Immortals use a direct Power attack on mortals, it puts the mortals into a comatose sleep for several minutes.
Any creature coming within 20 feet of a sandman must make a saving throw or fall asleep for 30-130 minutes.
The Brood Gibberling can infect another creature with a burrowing gibberslug by biting or spitting at it. When the burrowing gibberslug reaches the brain it will put the victim in a sleep from which they can't be awakened and cause them to suffer from horrible nightmares.
Sleep in Warcraft III is a powerful Dreadlord spell when used correctly, as it keeps a single unit (including heroes) out of the fight for a long time along with interrupting channeling spells. It can be interrupted by attacking the sleeper, but fortunately units will only do so if ordered to.
A multi-target spell in Golden Sun, represented by sheep falling all over the targets (but doesn't work that well). Several weapons have this as a side effect.
Many Pokémon have attacks that can do this. Jigglypuff is famous for it. There's also a self-inflicted sleep attack, where the user regains full health on the first turn and sleeps for two. Some can continue to fight by using the "Snore" attack or using a random move.
In Sly 2: Band Of Thieves, the Music Box is a power-up that, after thrown, starts to play music that lulls all nearby guards to sleep.
There's a class of folk in Folklore designed around sleep, which can send its victims into a temporary state of helplessness (though only two folk actually occupy the class.) Ellen can gain a cloak in the Faery realm that makes her immune to it, and the effect is required to catch or defeat certain other folk later on.
Vriska from Homestuck has mind control powers, but they only work on her own species. The only thing she can do to humans is put them to sleep.
Courage the Cowardly Dog. In, "The Sandman Sleeps," the Sandman is actually unable to sleep himself, so he decides to steal Muriel's sleeping sand to give to himself, causing Muriel to suffer from serious sleep deprivation. As it turns out, Courage finds the Sandman's lost teddy bear, so he returns the sleeping sand to Muriel so she can sleep again herself.
Near the end of The Flight of Dragons, an entire flight of dragons is disabled by an enchanted flute that puts dragons to sleep when it's played. All except Bryagh, Ommadon's dragon, who, since it also put the good dragon to sleep, descends on the party all but unopposed.
One episode of Gargoyles has Oberon put the entire city of New York to sleep by shouting "SLEEP!"
Five hats means that five tropers think it is ready to publish.
You are saying that you think this draft is ready to be published. That means the description is not ambiguous,
it doesn't duplicate an existing trope, there are at least three examples, and the title makes sense.
Is that what you meant to do?
You are saying this draft has a ready-to-publish hat it does not deserve and you are taking it back.