The history textbook felt remarkably heavy this afternoon. Sarah propped her chin on her hand, the weight of the book pressing down on her. The drone of Mr. Henderson's voice, usually a comforting backdrop to her studies, now seemed to vibrate right through her. She blinked, trying to focus on the Battle of Hastings, but the words swam before her eyes. Suddenly, a notification popped up on her phone: Mr. Henderson had started following her on Instagram. A wave of sluggishness washed over her; a thick fog seemed to settle in her brain. She wondered if she had posted anything embarrassing lately.

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