The sterile white walls of the art gallery seemed to pulsate, the colors of the paintings shimmering and shifting before her eyes. Ethan was regaling her with stories of his gallery’s success, his voice a droning monotone that washed over her. She fought to keep her eyelids raised, the effort causing a persistent ache behind her eyes. Her shoulders slumped, and her back started to curve inward as if weighed down by some unseen force.

She was aware of a faint pressure in her head, as if her skull was slowly tightening. She felt the urge to simply stop thinking, to let go of all conscious thought. She wanted to rest.

"You seem a little distracted, Lily," Ethan said, his voice clipped.

She mumbled an apology, saying she was tired. The next day, she went to the gallery and found it was closed.

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