Anhedonia is inability to experience pleasure, right? Does that mean all the time, even during sex?

Anhedonia. Anhedonia, the inability to enjoy activities in life, is usually a sign of severe depression. While it tends to permeate most of the day, it does fluctuate substantially during the day. Depressed patients often have some time of the day that is better for them than others. Could anhedonia affect sex? Yes. It usually leads to reduced interest in sex, but can also decrease performance/orgasm.