The late-night study session had long lost its appeal. David slumped lower in his chair, the glow of his computer screen reflecting in his tired eyes. He'd been staring at a complex equation for hours, and the numbers seemed to taunt him, their intricate patterns mocking his mental exhaustion. Every breath came with more difficulty.

He glanced at his phone. Another email. But the subject line was different. "Urgent: Campus Closure." His heart rate quickened, a jolt of something he couldn't quite name coursing through him.

He read the words, re-reading them, as if hoping they would change. No such luck. The room spun around him, his carefully laid plans unraveling before his very eyes. He felt a sudden, overwhelming urge to just lie down.

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