If you've ever awoken in the morning, yawned, and stretched your arms, you've experienced pandiculation.

Use the noun pandiculation to describe the particular sleepy combination of yawning and stretching. It's a somewhat obscure but impressive way to talk about a universal phenomenon. Animals are prone to pandiculation too, extending their paws in a stretch and yawning widely. The Latin root is pandiculari, "to stretch oneself," from pandere, "to stretch."

Definitions of pandiculation
  1. noun
    yawning and stretching (as when first waking up)
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    type of:
    stretch, stretching
    exercise designed to extend the limbs and muscles to their full extent
    oscitance, oscitancy, yawn, yawning
    an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom
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