The maths to a healthy sleep and how to calculate what you need
Being a regular activity that bookends our days, it's not surprising our waking hours tend to dictate the amount of sleep we get each day. How many hours we actually need According to Professor Hillman, when looking at a healthy sleep routine we must consider our individual requirements as well as those of our age group. "Teenagers and young people require proportionately less sleep but for adults, the average is around about eight hours, with a range of seven to nine," he said. What to do about sleep debt Running on less sleep than you need may be either a short or long-term issue but, regardless of whether it's a lifestyle or scheduling issue, Professor Hillman said those lost hours must be paid back. "Interestingly enough, your slow wave sleep, is in that first four hours," he said.
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