1. memory
A study published in the journal Sleep shows that the level of accuracy in tasks requiring memory can be reduced by up to 15 percent if we are sleep deprived. Sleep helps the brain to gather information, so without adequate rest time our brains have trouble storing important data.
2. Wide waist circumference
The importance of quality sleep is also associated with weight loss. "Some research suggests lack of sleep over the years affect metabolism, increasing the risk of obesity and diabetes mellitus," said Siobhan Banks, researchers in the field of psychiatry.
