was going to bed, was sleeping with, was staying (at)
Tu m'avais dit que tu couchais chez Jeanne.
You told me you were staying over at Jeanne’s.
— Gramps Is in the Resistance (1983)
Puis vint le rêve — un autre était prévu — où je couchais avec des hommes.
Then came the dream—another one was planned—in which I slept with men.
En ce temps-là, je me couchais plus tôt.
At that time, I went to bed earlier.