Anhedonic

Briefly, the anhedonic syndrome is manifested, first, by the disappearance or impairment of the appetite for food and drink and by failure to experience the corresponding satisfactions. [...] Thirdly, the appetite or desire for rest and the satisfaction of recuperation are also involved in the anhedonic syndrome.

Source: wiktionary

The anhedonic depressed child creates special problems. He or she is bored most of the time, as he or she does not derive normal levels of pleasure from things, and the breadth of pleasurable events is rduced. The anhedonic youngster seems just to go through the motions of treatment.

Source: wiktionary

Students are aware that if they don't attend for weeks on end, and/or they don't produce any work, they will not face meaningful sanction. They typically respond to this freedom not by pursuing projects but by falling into hedonic (or anhedonic) lassitude: the soft narcosis, the comfort food oblivion of Playstation,^([sic]) all-night TV and marijuana.

Source: wiktionary

Longing, officious, anhedonic, pleading. Anna tried to make a list of every mood she'd ever been in but ran out of words before even half of her feelings were named.

Source: wiktionary