Definition: In this task, you're given five sentences, numbered 1 through 5. Your job is to generate a title for the story that makes complete sense. The title must be short, with less than three words, use simple language, and include the main topic of the story.
Input: Sentence 1: Rena has a hard time falling asleep. Sentence 2: Sometimes she gets lucky and falls asleep within 30 minutes. Sentence 3: But the sleep doesn't last very long. Sentence 4: She wakes up multiple times throughout the night. Sentence 5: The Doctor has told her that she has chronic insomnia.

Insomnia