Around a third of Australian adults don't get enough each day but power naps could be the answer.
- The Sleep Foundation study has shown that adults need 8 hours of sleep
- According to the study, 30 percent of Australians say they lack sleep daily
- Professor David Hillman said it's important to pay back our sleep debts
- He also says sleep can be broken up as long as you get the first 4 hours
- Power naps should not be longer than 20 minutes or inertia will set in.