The constant movement of the washing machine in the next room was a dull, rhythmic drone. The world around Ethan seemed to be slowly going out of focus. He sat, staring blankly at the wall, while his roommate, Noah, rattled on about getting a ferret.

"They're playful, Ethan! They're like little weasels, but friendly! We can build them a whole habitat!" Noah’s enthusiasm bounced off the walls. Ethan barely registered the words.

"Noah... I can't," he mumbled, his voice barely audible. The effort of articulating the negative seemed insurmountable. His head felt thick, his eyelids heavy, like concrete blocks.

Noah’s face fell. "But I thought you'd like it!" Ethan just wanted to close his eyes and forget the whole conversation. The idea of the smell, the noise, the extra work, felt oppressive.

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