The overhead fluorescent lights of the used bookstore hummed, a monotonous drone that was slowly pulling Amelia down. She leaned heavily on the counter, her eyelids feeling like lead weights. The scent of old paper and dust filled the air, a familiar comfort, but today it was almost cloying. She had been on her feet for hours, shelving books, and the exhaustion was starting to manifest. As she reached for a copy of *Wuthering Heights*, a thin piece of paper fluttered out. A folded letter.

Amelia’s fingers fumbled with the brittle edges, her brain struggling to fully process what she was seeing. She squinted, the words blurring, then with a grunt, she unfolded the paper. A small, elegant script filled the page.

“Dear Edward,” it began. The words swam before her eyes.

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