Do the Housekeeping
When you simply don't feel up to the challenge of making music, there is always housekeeping. You should have plenty of material to keep organised and devoting time to these little tasks will make everything easier once inspiration strikes again. There is literally nothing to lose with having everything in its right place.
Start a naming system for your files, catalogue them in folders, and try grouping projects in genres, vibes, or some other identifier. Build templates for typical DAW projects, effects chains, and plugin settings. Save some basic synth patches, sequencer patterns, or effects presets. Do anything that makes turning ideas into songs easier.