The office air conditioning hummed, a monotonous drone that seemed to lull Ethan into a deeper state of inertia. He had been reviewing spreadsheets all morning. Now, sitting in a child's art class, he felt like he was wading through molasses. His eyelids were heavy and he struggled to keep his eyes open.

His nephew, Leo, bounded over, waving a crayon drawing. It showed a tall, spindly figure with elongated fingers. "Look, Uncle Ethan! This is Giggles! He makes the best jokes." Ethan stared at the drawing, a strange familiarity washing over him.

Giggles. The name that would always bring a smile to his face, and also the name of his own childhood playmate. He felt a sudden, unwelcome wave of fatigue. "That's... quite imaginative," he slurred, fighting to stay upright in his miniature chair.

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
à°­à°¿-0.281
เพราะ-0.277