The next division of the day is jōrraxel, which is midnight until sunrise.

la jōrraxel jālne cī;
Have a good night.

The corresponding il phrase is il jōrraxel or il ōrraxel. The difference is a matter of dialect, or maybe idiolect.

The words jānnaxel and jōrraxel are related to the word for night jaxāela, and the words jānne “beginning” and anōrre “end”