Matthew Walker — Limiting sleep to just 4-5 hours for one single night will d

Limiting sleep to just 4-5 hours for one single night will drop levels of critical anti-cancer fighting cells, called natural killer cells, by 70%. That’s a rather alarming state of immune deficiency, and it happens after just one night of short sleep.

About the Author

Dr. Vikas Shah MBE DL has significant experience in founding, leading and exiting businesses to trade, private-equity and listed groups. He is currently a Non-Executive Board Member of the UK Government's Department for Energy Security & Net Zero (DESNZ). He also serves as a Non-Executive Director for the Solicitors Regulation Authority, The Institute of Directors, and Enspec Power. He is Co-Founder of leading venture lab Endgame and sits as Entrepreneur in Residence at The University of Manchester's Innovation Factory. Vikas was awarded an MBE for Services to Business and the Economy in the Queen's 2018 New Year's Honours List. In 2021, he became a Deputy Lieutenant of the Greater Manchester Lieutenancy. He holds an Honorary Professorship of Business at The Alliance Business School, University of Manchester, an Honorary Professorial Fellowship at Lancaster University Management School (LUMS), and was awarded an Honorary Doctorate in Business Administration from the University of Salford in 2022.