The train rattled along the tracks, its rhythmic clatter a lullaby. Sarah slumped against the window, her neck aching from the awkward position. The world outside blurred into streaks of green and brown. A heavy sense of weariness had settled over her, making her bones feel like lead. The rocking motion was both comforting and maddening.

A crumpled paper lay on the seat beside her. She picked it up, expecting it to be a discarded newspaper. It was a letter, her name scrawled in an unfamiliar but somewhat familiar handwriting. She recognized the name at the bottom. The name of the woman, who had taken her heart from her. A wave of regret washed over her, and she felt her eyelids grow heavy. She fought to keep her eyes open, wanting to read every word.

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
à°­à°¿-0.281
เพราะ-0.277