The drive home had been a blurry affair for Ms. Johnson, the English teacher. The streetlights blurred into streaks of light, and the silence in her car amplified her exhaustion. She’d spent the whole day grading papers, her brain feeling like it was stuffed with cotton.

A package lay on her doorstep, the porch light barely illuminating its shape. It was from a former student, a package filled with books. She picked one up and turned it over slowly, reading the title. It was something she'd recommended to her student a few years before. A smile crept across her face.

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