4 Hr Sleep 16 Hr Study Routine explained in detail | Ashish Ranjan AIR - 4, ISRO, IIT Bombay, BARC

4 Hr Sleep 16 Hr Study Routine explained in detail | Ashish Ranjan AIR - 4, ISRO, IIT Bombay, BARC

July 5, 2026 · 39 min · Season 1 · Episode 199

About this episode

Ashish Ranjan shares his intense journey through competitive exams, detailing his 4-hour sleep cycle and the mental strategies he developed to succeed.

You've heard about my 4-hour sleep cycle, but you don't know the full story. In this candid ART #199, I reveal the immense, unyielding pressure of the competitive exams and coaching world that drove this extreme path. It wasn't a choice—it was a necessary survival strategy. I break down the intense mindset and mental strategies I had to forge to truly outperform the competition and navigate that reality. This is the unvarnished truth of the aspirant's journey. 🎙 Ashish Ranjan – Author, Mechanical Engineer, ex-ISRO Scientist, ex-Scientific Officer at DAE.From barely passing subjects until the age of 18 to earning a 9.57 GPA in Mechanical Engineering, my journey led me to India’s premier nuclear program at Bhabha Atomic Research Center (BARC) working in the field of Fast Breeder Nuclear Reactors and later to securing AIR-4 in the Indian Space Research Organisation (ISRO) to join India's space program as a scientist – Specializing in Liquid propulsion rocket engines.📚 Immerse yourself in fascinating stories drawn from the life of someone who has worked at the highest levels of India’s research ecosystem — from Scientific Officer at the Department of Atomic Energy (DAE) to…

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Host: Ashish Ranjan

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Mentioned in this episode

Organizations: ISRO, IIT Bombay, BARC

Books & works: The Boy Who Did Not Sign

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