15don MSN
This Investment Expert Only Gets About 4 Hours of Sleep a Night. Here's His Very Busy Daily Routine.
Jim Cramer, the host of "Mad Money with Jim Cramer" on CNBC, has been waking up at 3:15 a.m. for at least a decade.
It's estimated that nearly one in five people in the UK don't get enough sleep. This can impact physical and mental health.
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