Why cats prefer sleeping on their left side—and how it might help them survive

ScienceDaily
Jun 26, 2025, 2:51 pm121 ptsTrending
Cats overwhelmingly choose to sleep on their left side, a habit researchers say could be tied to survival. This sleep position activates the brain’s right hemisphere upon waking, perfect for detecting danger and reacting swiftly. Left-side snoozing may be more than a preference; it might be evolution’s…

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