Sleepsexual is a form of fluid attraction, where ones sleep schedule changes their sexuality. This could make their attraction fluctuate or change their sexuality entirely until they next sleep. This could also be having a sexuality that changes when you undersleep or oversleep, or having a different sexuality in your dreams than in reality. This can be considered a subset to abrosexual and/or aceflux.
Some examples include...
History
Sleepsexual was original coined by a vandal who started attacking other identities, but was reclaimed by a user going by Amnisty on December 8th, 2020.