Bjr, j'ai besoin d'aide dans les questions suivantes en SVT svp; Question 1 : Why do we need to sleep ? Question 2: What does sleep influence? Question 3: What can a lack of sleep cause? Question 4: How can the amount you sleep influence your results at school? Question 5: How many hours of sleep do you need? Question 6: What can we do to get a good night sleep?