A Little Sleep is Better Than Coffee (Step 1)
A3-Beginner++BNC LevelsCEFR LevelsProtectedSciencesStep 1Stories 4
ReadOasis Step 1 It has been a long day. You are tired from work and study. What should you do? Many people drink coffee or a power drink. But a new study suggests this. A short sleep might be better than a cup of coffee. Researchers studied caffeine. Caffeine... Read more
A Nap is Better than Coffee (Step 4)
B3-Intermediate++BNC LevelsCEFR LevelsListen!ProtectedSciencesStep 4Stories 0
ReadOasis Step 4 When you are tired from work or study, what do you do? Many people are addicted to coffee for staying alert, or they crave an energy drink to refresh themselves. But one study suggests that a short sleep might refresh you more than a cup of... Read more