Is Biden only an 8 hour a day president?

Just saw on ABC news. Biden told the Democratic governors that attended his briefing. That his doctor told him to get more sleep and not have any events past 8 PM! Didn’t say how many days rest he should get after crossing a couple of time zones!
Apparently, 12 days rest isn’t enough. Since having a cold and flying around the world was his excuse for blowing the Trump debate.

Is Biden only an 8 hour a day president?
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