"I can take hardship. I can sleep on the cold floor anytime. I can also sleep on a feather bed."

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I had a nice dinner. I let the evening unfold, flow. I like to sit in a chair with a wine glass. When I woke up, I thought, 'Why didn't I go to bed at 11?' I came back at 3 and went to bed at 5.

— Roger Federer