The Importance of Sleep

4. The state of being irritable.
6. A temporary state of mind or feeling.
9. Walk around and sometimes perform other actions whilst not awake.
10. A series of thoughts, images, and sensations occurring in a person’s mind whilst they sleep.
11. A highly unpleasant physical or mental sensation.
13. In a good physical or mental condition.
14. The state of being comfortable, healthy, or happy.

1. The action or power of focusing one’s attention.
2. A frightening or unpleasant dream.
3. The state of wishing for sleep or rest; weariness.
5. Habitual sleeplessness. The inability to sleep.
7. A settled or regular tendency or practice, especially one that is hard to give up.
8. The process of developing mentally or physically.
12. The state in which an individual can experience dreams.