Ok, let me explain, Betta fish prefer a schedule where they have regular light and dark periods so that they can get into a normal sleeping pattern. Bettas like light so that they know when to wake up and prefer a darker environment to sleep. read more
This environment keeps Bettas happy and also determines their patterns for spawning and feeding. TIP: Remember, your Betta will need to live in an environment that closely resembles their natural habitat. Like humans, they need a cycle of light (day) and darkness (night). read more