Read the definitions carefully and select the correct words.
1. on condition that, provided that
2. when there is no light
3. to interrupt somebody when they are trying to work, sleep, etc
4. to start a company, organization, system, etc that is intended to exist or continue for a long time
5. have a night during which you cannot sleep or rest
6. if you suffer from insomnia, you are not able to sleep
7. easily annoyed about small things, especially because you are tired, upset, or worried
8. a short sleep, especially during the day
9. if something is on your mind, you keep thinking or worrying about it
10. on condition that
11. to limit or control the size, amount, or range of something
12. easily upset or offended by events or things that people say
13. to sleep very well
14. to do or keep doing what you said you would do or what you believe in, even when it is difficult