Read each passage. Which one has a problem-solution text structure?
Sleep is important to our health. Doctors say one positive effect of a good night's sleep is having more energy. Another is being able to think more clearly.
Sleep is important to our health. But many people have trouble falling asleep. What can you do? Experts say your sleep environment matters. Your room should be cool, dark, and quiet.
Sleep is important to our health. But what happens when we fall asleep? First, we fall into a light sleep. Next comes deep sleep. Lastly, people enter the REM stage where dreams often occur.