The afternoon light cast long shadows across the garden. David, slumped on the hammock, found his eyelids heavier than lead. The gentle sway, usually a source of pleasure, was now a lullaby. The incessant chirp of cicadas was now just a droning sound.

A flash of brown fur. A bark, excited and demanding. The terrier mix was running across his lawn again, tail wagging furiously. David groaned inwardly. The energy required to get up felt immense.

He tried to focus on his surroundings, on the way the leaves rustled in the breeze, on the feeling of the hammock beneath him, but it was to no avail. Everything just faded. "Rover, no!" he called out, his voice a muffled whisper. It did nothing. He felt the need to simply close his eyes.

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