Even if you happen to not need much sleep, you ought to at least consider that it may have adverse long term effects to your brain and body. This Quora answer

Even if you happen to not need much sleep, you ought to at least consider that it may have adverse long term effects to your brain and body. This Quora answer [1] summarizes it well. [1] http://www.quora.com/How-do-CEOs-who-sleep-for-only-4-5-hours-daily-manage-to-function-and-run-multi-million-dollar-companies/answers/7495968 http://www.quora.com/How-do-CEOs-who-sleep-for-only-4-5-hour...