Sleep and mental health are closely linked. Many people face challenges with both, but often don't realize how much they influence each other.

Anxiety is a normal part of adolescence. Exams, friendships, family changes, identity development, and uncertainty about the future can all create stress. For some teenagers, however, anxiety becomes more than occasional worry. 

Post-traumatic stress disorder, sleep problems, and substance use can become tightly connected, but the pattern is not the same for everyone.