SAP India CEO who used to be proud of doing only 4-5 hours of sleep a night , and was an avid marathon runner died of cardiac arrest at 42.<p><a href="http:&#x2F;&#x2F;www.transitioning.org&#x2F;2009&#x2F;11&#x2F;20&#x2F;what-killed-ranjan-das-and-lessons-for-corporate-india&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.transitioning.org&#x2F;2009&#x2F;11&#x2F;20&#x2F;what-killed-ranjan-d...</a>