Bert and Ernie have very different sleeping patterns. Bert always wakes up early in the morning, but he starts to get tired early in the evening. Ernie, on the other hand, prefers to stay up late and then sleep until noon. Bert's and Ernie's different sleeping preferences are most likely due to their

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Quizplus · Accepted Answer

The suprachiasmatic nuclei (SCN) are responsible for controlling circadian rhythms, which regulate sleep-wake cycles. Bert and Ernie's different sleeping patterns are likely due to differences in their SCN activity.

Bert and Ernie Have Very Different Sleeping Patterns