Possible Clues:

• 'Time to bat!'
• "My turn at bat"
• Late riser's "all right already!"
• "No need to wake me"
• Reply to 'Are you awake?'
• Groggy words, perhaps
• 'It's go time'
• "Hand me a bat!"
• "Stop shaking me!"
• Grumbly 'Are you still sleeping?' response