Slepflux

Slepflux, sleiflux, or leiflux is a gender where one fluctuates between soporine genders.

History
The term was coined by Reddit user u/hiitsyaz on July 31, 2021.

Etymology
Lei- and slei- are inspired by sleepyleite and slep- is inspired by the word sleep; -flux comes from genderflux to indicate the fluctuation.