Is it permitted (or required) to stand throughout Yom Kippur prayers?

Synopsis

Some have the custom to stand throughout all of Yom Kippur to emulate angels. The Aruch HaShulchan notes the physically weak cannot do this, and standing all night makes daytime prayer impossible.

Early Acharonim
Late Acharonim
Lenient
Strict
Lesser cited
Major authority

Discussion

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