He stared blankly at the text from his neighbor, Mark. His eyelids felt heavy and the screen seemed to blur. It took a few moments for the words to register: “Hey, can we talk about the oak on the property line? Need to chat.”

He had only just sat down after a long day. He considered ignoring the message, but knew Mark would probably knock on his door if he didn’t reply. He typed a slow, labored reply, feeling the familiar drag of the day's events. He hoped this wasn’t going to take too long.

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