The train rattled, its rhythmic clatter a lullaby to Daniel's weary senses. He watched the cityscape blur past, a watercolor painting of grays and yellows. It was so easy to let his gaze drift, to let the noise fade away. He slumped against the window.

He’d barely glanced at the notification on his phone, the one announcing the promotion consideration. It had felt like a distant dream, now. His head bobbed, and he fought to keep his eyes open. He was so tired.

The air inside the train was stale and thick, amplifying the feeling that he was sinking into a deep, dark place. He closed his eyes for just a moment, thinking of his warm bed at home, the soft pillows, the quiet. He just wanted to disappear.

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