Maybe because you had something that a bit of caffeine or sugar in it. You can dim your lights and try to read and then maybe you will fall asleep.
Your answers would be B and C.
Answer: Ligaments
Explanation: Lean body mass is simply everything that's is not fat. This includes your bones, organs, muscles, ligaments, tendons and fluids. So the answer to your question is Ligaments.
Answer: A), C), E)
A) Some apetizing foods are contaminated salads.
C) All apetizing foods are healthy meals.
E) Some healthy meals are not contaminated salads.