Possible Clues:

• Repeated cry after 'Stop shaking me!'
• 'Already heard the alarm, thanks'
• 'My turn to hit'
• 'Haven't gone to bed yet'
• Response to 'You asleep?'
• 'Still asleep?' reply
• Daily household announcement
• Reply to 'Still asleep?'
• Response to a morning knock
• Late riser's grumble