wakefulness
31sleeplessness — noun a temporary state in which you are unable (or unwilling) to sleep accept your wakefulness and sleep in its own contrary way is more likely to come • Syn: ↑wakefulness • Ant: ↑sleepiness (for: ↑wakefulness) …
32Dream — For other uses, see Dream (disambiguation). The Knight s Dream , 1655, by Antonio de Pereda Dreams are successions of images, ideas, emotions, and sensations that occur involuntarily in the mind during certain stages of sleep …
33Circadian rhythm — Circadian redirects here. For the album by the rock band 5th Projekt, see Circadian (album). Some features of the human circadian biological clock A circadian rhythm, popularly referred to as body clock, is an endogenously driven, roughly 24 hour …
34Siesta — This article is about the short nap. For other uses, see Siesta (disambiguation). A painting of a young woman taking a siesta. (The hammock, Gustave Courbet (1844).) A siesta (Spanish pronunciation: [ˈsjesta]) is a short nap taken in the… …
35Search activity concept — (SAC) is a psychophysiological concept that integrates subject’s behavior, resistance to stress and deteriorating factors, pathogenetic mechanisms of different mental and psychosomatic disorders, REM sleep functions, brain monoamines activity and …
36Level of consciousness — (LOC) is a measurement of a person s arousability and responsiveness to stimuli from the environment.cite book |author=Kandel ER, Jessell, Thomas M.; Schwartz, James H. |title=Principles of neural science |publisher=McGraw Hill |location=New York …
37Neural correlates of consciousness — The Neuronal Correlates of Consciousness (NCC) constitute the smallest set of neural events and structures sufficient for a given conscious percept or explicit memory. This case involves synchronized action potentials in neocortical pyramidal… …
38amphetamine — /am fet euh meen , min/, n. Pharm. a racemic drug, C9H13N, that stimulates the central nervous system: used chiefly to lift the mood in depressive states and to control the appetite in cases of obesity. [1935 40; A(LPHA) + M(ETHYL) + PH(ENYL) +… …
39hallucination — hallucinational, hallucinative /heuh looh seuh nay tiv, neuh tiv/, adj. /heuh looh seuh nay sheuhn/, n. 1. a sensory experience of something that does not exist outside the mind, caused by various physical and mental disorders, or by reaction to… …
40circadian rhythm — Inherent cycle of approximately 24 hours in length that appears to control or initiate various biological processes, including sleep, wakefulness, and digestive and hormonal activity. The natural signal for the circadian pattern is the change… …
