Sarah sat on the park bench, the autumn breeze rustling the fallen leaves around her feet. The sun was going down, painting the sky in vibrant hues of orange and purple. She'd been up all day. She hadn't been able to eat, either. She was waiting for her friend, the last person to validate her. The faint strains of a guitar, familiar to her, reached her ears, and she felt a sense of… warmth. Her song, "Autumn's Embrace," was being played by a busker a few yards away.

She watched him, her eyes heavy. Her head started to droop. She tried to fight it, but it was a losing battle. The music washed over her, a gentle lullaby. She started to sway, losing all control. She leaned back, and for a moment, all was still.

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