mache out - You're so tired and worn out you could sleep for a week and

You're so tired and worn out you could sleep for a week and still be tired.

'I worked 12 hours today. I'm so tired I could sleep for a week and still be tired.'

'After running a marathon and doing 100 push-ups, I'm so worn out I could cry.'

'I'm so spent I could eat a whole pizza and still be tired.'