The 39-year-old singer was rushed to hospital on Monday with exhaustion and has remained in UCLA Medical Center in Santa Monica, California, this week.
It's now being reported his three-year-old daughter North and 11-month-old son Saint - who he has with his wife Kim Kardashian West - don't know their parent is in hospital and think he is just on a trip, reported E! online.
"North and Saint (West) just think their dad is away now. Kanye wants to get better, so that's a big part in this healing process," a source said.
"Kim is by his side now and will stand there till everything gets better.
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