There's a documentary ("Some kind of monster") on Metallica's creative process for the St Anger album. It shows James Hetfield (arguably the band's leader) wanting to have a more balanced schedule, and adapting the band's process to fit to it. The result was a very mediocre album.
Exactly what you're doing now. But only 20 hours a week of it.
You can spend today having the talks you need to have to make this happen, then start your first sane work week tomorrow.