An afternoon nap could help boost mental agility – but it’s about timing – Sydney Morning Herald

Not necessarily, says Associate Professor Sutapa Mukherjee, a respiratory and sleep physician and the president-elect of the Australasian Sleep Association.
You cant necessarily extrapolate from this study directly to the Australian situation, she says.
The study also focused on older people who were generally only sleeping for around 6½ hours at nighttime, and many appeared to have high blood pressure, says Mukherjee.
Most adults need between seven and nine hours of sleep to feel rested, she says….

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