He’d been staring at the same page of his textbook for what felt like an eternity. The words swam before his eyes, a jumble of abstract concepts that refused to make sense. He leaned heavily on his hand, the pressure of his head against the table a temporary comfort. The library was quiet, a hushed sanctuary that somehow exacerbated his feeling of detachment.

Then, a breaking news alert popped up on his phone. He swiped it away, annoyed. But the insistent buzzing pulled him back. The university was closing.

A strange numbness spread through him. His body felt heavy, his limbs refusing to cooperate. The room seemed to tilt, the world collapsing in on itself. He closed his eyes, wishing he could simply vanish.

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