What’s the Least Amount of Sleep You Really Need to Get❓ https://www.telegraph.co.uk/health-fitness/wellbeing/sleep/how-much-deep-sleep-do-you-need/ Deep sleep seems to be particularly important for the brain’s waste removal system, or glymphatic system, which removes the waste products produced by the brain. Try to get 5–6 h each night❗️ A very small number of people have a genetic mutation that allows them to function on less than 6.5 hours of sleep per night with no apparent consequences to their health. This genetic mutation is quite rare, with experts estimating that it only affects around one in 25,000 people https://time.com/6994478/how-much-sleep-do-you-need/