Bionic duplicants ignore lubrication stations during bedtime

This:

I tried moving him to lubrication stations to reset the errand, but he still goes back to take gear balm.

Then it occured again while I was observing, and the lubrication stations were not occupied when the errand started:

I played around and managed to pinpoint the issue: if the current schedule is bedtime, boops will prefer gear balm (or entirely ignore lubrication stations); during the other schedule blocks they use the better option, as expected.