@ABronyAccount  
As yes, mimir is a meme term to describe going to sleep, all tucked up and snug and everything. It’s like a babified, “Dormir” which translates to sleep in spanish c:
 
I believe the term was only going around within Spanish speaking communities which got more relevance because Japenese artist Dr.Moricky used the term themselves right after learning it off of a user commenting on his post using the phrase which made Twitter blow up for a moment.

Can somepony explain the mimir tag? As I recall, Mimir was a ill-fated god who wound up as Odin’s personal Alexa, the hard way.

Jargon Scott is trying to murder us.

@Napsack  
She sleeps with her eyes open

Oh boy, time for sleep!
 
[spends the next eight hours with eyes wide open, too excited about sleep to actually partake in it]

Anon after having been begged for a hour to read her a story: “Are you even listening to me reading?”  
Lyra: “No I just love watching you handle the book with your fingers.”

“Imma do a sleep!”

What an adorable li’l shid.

‘Yay, sleep! That’s where I’m a pirate!”

she’s so happy!

mood

Finally bed time and you’re wide awake all of the sudden!

Lyra, you cute lil shid…

@JP  
She needs to because she knows that ponies needs to sleep when bedtime arrives.

If only she could fall asleep.

She’s smiling because Christmas is right around the corner

You have been greeted by the comfypone

Cozy.