1. The Power of Sleep

2. Integral  very important and necessary  formed as a unit with another part

3. Physiology  : a science that deals with the ways that living things function  : the ways that living things or any of their parts function

4. Neuronal  a concept that include the fact that neurons carries messages between the brain and other parts of the body and that is the basic unit of the nervous system

5. Optimum  most conducive to a favorable outcome; best.

6. Neuroscientist  a branch (as neurophysiology) of the life sciences that deals with the relation of behavior and learning involves anatomy, physiology, biochemistry, or molecular biology of nerves and nervousneurophysiology

7. Deprived  not having the things that are needed for a good or healthy life

8. Elude  to avoid or escape (someone or something) by being quick, skillful, or clever  : to fail to be understood or remembered by (someone)  : to fail to be achieved by (someone)

9. Cognition  conscious focused mental thinking or activities

10. Insomnia  the condition of not being able to sleep

11. Analysis  a careful and detailed study of something to learn about its parts, what they do, and how they are related to each other

12. stimulant  something (such as a drug) that makes you more active or gives you more energy  : something that causes more activity

13. Pharmacological  the branch of medicine and biology concerned with the study of drug action, where a drug can be broadly defined as any man-made, natural, or endogenous (from within body) molecule which exerts a biochemical and/or physiological effect on the cell, tissue, organ, or organism

14. Culprit  a person who has committed a crime or done something wrong

15. Disengage  to separate from someone or something  : to stop being involved with a person or group : to stop taking part in something  : to move (a mechanism or part of a machine) so that it no longer fits into another part

16. Meditation  the act or process of spending time in quiet thought : the act or process of meditating  : an expression of a person's thoughts on something

17. Integrative  serving or intending to unify separate things.