We spend about of our lives asleep, but many of us don't get enough sleep. Doctors say that adults need between seven and nine hours a night, while need even more. However, studies show that many people sleep less than six hours.
Why is sleep so important? While we sleep, our bodies and our brains the information we learned during the day. This is why students who sleep well often remember more than those who all night studying.
sleep can have serious effects. In the short term, it makes us tired, and less able to . Over a long period, it increases the of health problems such as heart disease and .
So how can you sleep better? Try to go to bed and wake up at the same time every day, even at weekends. Avoid coffee and energy drinks in the afternoon. Most importantly, put your phone away at least an hour before bed, because the light from screens tells your brain it is still daytime.