Insomnigender is a xenogender relating to insomnia. ones gender could feel restless, or tired, it could also feel like it is resting at times irregularly.
History
The term was coined by user TheGamblingDemon on January 22, 2021. The flag was coined at the same time
Flag
The flag meaning is as follows: Black is for the genders restlessness, navy blue fading into blue is the genders feeling of tiredness