The relentless energy of the apartment building felt amplified. David leaned against the kitchen counter, barely able to keep his eyes open. His roommate, Michael, was practically bouncing on his heels, a brochure clutched in his hand. “I’m thinking about a guinea pig!”

“A guinea pig,” David repeated, the words feeling heavy on his tongue. He fought to stay alert, but the pull was relentless.

“They're quiet, cute, and easy to care for!” Michael chirped, oblivious to David's struggle. The idea of another living creature in the apartment felt like a crushing weight. He just wanted stillness, a moment of reprieve from the constant demands of the world.

"Michael... not right now," he mumbled, his voice a gravelly whisper. The thought of any additional responsibility felt like a physical burden.

Emotion: sleepy

Cluster: Fatigue / Lethargy
PC1 (Valence): -0.86 Negative
PC2 (Disposition): -1.55

Role in Research

This story is one of 1,000 stories generated for the emotion sleepy. During extraction, it was fed through Gemma4-31B and its hidden state activations were captured at 11 layers.

The mean activation across all 1,000 sleepy stories, after denoising with neutral dialogue baselines, produces the sleepy emotion vector -- a direction in the model's 5,376-dimensional representation space.

Logit Lens (Layer 40)

Tokens promoted/suppressed when the sleepy vector is projected through the unembedding matrix.

Promoted:
😴0.318
weary0.310
fatigue0.296
💤0.283
似乎0.280
Suppressed:
B-0.343
C-0.294
because-0.293
భి-0.281
เพราะ-0.277