"Ugh," she muttered, the sound barely audible. The walk to the mailbox was a slow, unsteady process, each step requiring a significant internal debate. She finally reached the metal box, fumbling with the lock. A birthday card, unsigned, sat among the ordinary mail.

She brought the card back inside, the vibrant colors assaulting her senses. The world seemed a little fuzzy at the edges. She dropped the mail on the table with a soft thud and looked at the card with disinterest. The effort of thought, the effort of feeling… all of it seemed overwhelming. She sighed, her muscles melting. She needed to sit down, to close her eyes, to do absolutely nothing.

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