----- Nội dung dịch tự động từ ảnh ----- Whether or not teens get enough sleep can have a big (1) _____ on stress. One study examined how teenagers reacted during the day when they didn't get enough sleep at night, as compared to how older adolescents and adults behaved. The results (2) ____that sleep-deprived teens found stressful situations (3) threatening than older study participants.To improve sleep, teens should make sure their room is dark and cool at night, and (4) their phone and other turn off thinking about showed excitement impact feel healthy ways relaxing much more to see