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Have you ever looked at your phone in bed at one in the morning? You are not alone.
Some studies say that people today sleep less than people fifty years ago. In the past, many people slept about eight hours a night. Now the average is closer to seven, and many of us get only six.
Why has this happened? Doctors give three reasons. The first one is light. Our phones and TVs give us light late in the evening, and the body thinks it is still day.
The second reason is work. Many of us now work from home, and work has moved into the evening. We answer messages at ten or eleven at night.
The third reason is simple: there are more things to do. There is always one more video, one more game, one more story online.
Does it matter? Yes, it does. People who sleep less than six hours often have problems with their health. They find it harder to remember things and to focus at work.
What can you do? Here are a few simple ideas that have helped a lot of people. Put your phone in another room at night. Go to bed at the same time every day, even on Saturday. Get some light in the morning. And don't drink coffee late in the day.
None of this is hard. As one doctor put it, the best medicine is free, and you can take it every night.