Catching 40 winks isn’t just good for dark circles and dreaming you’re Mrs. Gosling – it also gives your brain a good clear out. Yes, you heard us. A study from the University of Rochester revealed that conking out can clear out your cerebral clutter.
The findings, published in the journal Science, show that the brain's unique method of cleansing itself - known as the lymphatic system - is highly active during sleep, clearing away toxins that would otherwise build up and trigger neurological disorders like Alzheimer's disease. Could be why you feel so refreshed after a good night's sleep (dreams of Mr. Gosling aside).
But what if you don’t feel bright-eyed and bushy-tailed by the morning and find yourself groggily wondering 'Why am I still tired after 8 hours of sleep'?
If you're waking up tired after 8 hours of sleep, these seven things could be to blame.