We've all been told you need 8 hours of sleep a night to function properly, but a sleep expert has recently suggested otherwise.
Sleep scientist Daniel Gartenberg says "in order to get a healthy eight hours of sleep, which is the amount that many people need, you need to be in bed for 8.5 hours."
"The standard in the literature is that healthy sleepers spend more than 90 percent of the time in bed asleep, so if you’re in bed for eight hours, a healthy sleeper might actually sleep for only about 7.2 hours."
He also goes on to provide a helpful tip to figure out how much sleep your body actually needs. Next time you're on holiday don't set any alarms and take note of what time you go to sleep and wake up. If you notice a pattern over a few days, that is the amount of the sleep you should try to maintain when you're off holiday.
"With no stressors or time to get up, you’ll just fall into a natural pattern, and that’s probably how much sleep you actually need." he concluded.