Officially described superpower
She does not need to sleep, even though she always feels tired and yawns often.
What remains unknown
The official profile does not explain a gameplay effect, unlock condition, or quest route.
This record does not infer combat roles, friendship rewards, upgrade paths, or final launch behavior from a short profile.
Profile scope
The official page currently provides a compact character introduction and a “Useless Superpower” description. That wording is worldbuilding; it does not, by itself, establish a complete playable ability specification.