"Just… one… more… email," Mr. Chen murmured, his fingers hovering over the keyboard. His eyelids felt like lead weights, making it difficult to focus on the screen. The fluorescent lights in the teacher's lounge hummed, a monotonous sound that amplified the quiet weariness in his bones. He had barely slept the previous night, grading essays and preparing lesson plans.

A former student's email popped up, subject: "Thank you!" Attached was a file. He clicked it open, a custom-made digital artwork, a portrait of his favorite fictional character. He felt a moment of warmth, a small spark of joy. Then, his head drooped onto his desk.

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