This is a list of instances in which eyelids can be seen on the eyes of Muppets who don't normally have them, or they've been extended for those that do. This is usually done to create the appearance of sleep, when the simpler method of turning the character's eyes from the camera won't work for the scene. Some Muppets, like the early Big Bird, have closeable eyelids built in.
Abby closes her eyes as she drifts off into dreamland in Abby in Wonderland; in Episode 4177, when she goes to sleep; and in a promotional photo in her pajamas. Purple eyelids on Sesamstrasse (Folge 2923).
With ear muffs covering their ears, they all can sleep without being disturb by the sing-along at the Panwapa community in, "Baa to the Sun, Sing to the Moon."
Episode 3277, while helping announce the sponsors in his sleep; Episode 3534, when Ruthie takes a photo of Baby Bear and his family just as he's blinking; In Do the Alphabet Baby Bear falls asleep and dreams about the segment: Alphabet Jungle; Episode 3807, after Elmo tries to wake him up with drums and when Alan sings him to sleep; Episode 3836, exhausted from cooking the huevos rancheros for Maria; Episode 3925, exhausted from learning to whistle; Episode 3977, after singing a lullaby to Big Bird; Episode 3998, feeling tired and having no energy from skipping breakfast; Episode 4015, while sick with the 12 Hour Bear Flu; Episode 4056, after a night of no sleep; Episode 4191, hibernating.
After Martin Price tries to evade the cops in The Muppets Take Manhattan with Camilla and Gonzo as hostage, Gonzo performs mouth-to-beak resuscitation on Camilla.
The Wubbulous World of Dr. Seuss Theme, opening the door for Yertle the Turtle to fall into a puddle and avoiding two Wickershams swinging into each other.
The second part of a two-part sketch where The Count sleeps over and keeps Ernie up all night (in addition to heavy bags under his eyes); Episode 3913 and Episode 4276, when he falls asleep at the end of both episodes; in a promotional photo used on an ad for "Nap Time" videos at Sesamestreet.org.
Furgus attempts to stay awake to greet Mr. Screech in The Furchester Hotel episode "The Furchester Hoot-El," however he succumbs to sleep; in the Furchester episode "A Furchester Christmas"
Muppets from Space, where his standard moving eyelids are extended in a scene to cover his entire eyeballs, and a lower eyelid is added (and for a brief scene, his upper eyelids cover his eyes, but open halfway twice); The Muppets, while sleeping in the rafters of The Muppet Theatre directly above the stage.
This News Flash sketch shows the contrast between building eyelids for a puppet (Sleeping Beauty) and turning the eyes of another puppet (Prince Charming) away from the camera.
Although she's only so far been used as a one-shot character in this form, Sleeping Beauty's eyelids are replaced with lids that cover her entire eyes at the end of her "Healthy Storybook Moments" sketch.
In The Wubbulous World of Dr. Seuss episode, "Who Are You, Sue Snue?", Sue is shown to have fallen asleep as one of her uncles tries to wake her up, following a nightmare sequence about her being chased by various tools come to life and having to decide what she wants to be when she grows up.
Episode 2871, when he dreams about triangles; Episode 2950, when he couldn't sleep after analyzing the lyrics to "Rock-a-bye Baby"; Episode 2957, while staying up at night waiting for Radish Dude; Episode 3375, while preparing for "The 99,000 Triangles Game"; Episode 3554, after counting kids dressed as sheep; Episode 4118, after becoming exasperated with Oscar; in a brief scene from Talk, Listen, Connect, in which Telly's moving eyelids are replaced with lids that cover his entire eyes; Episode 4907, with under and over eyelids.
In one scene, T.R. has one sleepy eye and one excited eye. This enables him to change emotions without the use of an eyelid mechanism, simply by turning his head.
Two variations are seen on Walter in The Muppets. One with sleepy eyes as he's falling asleep watching The Muppet Show, and another with completely closed eyelids after he's fallen asleep and he drifts off into a dream.