Wake up
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Wake up
Wake up (pronunciation: /weɪk ʌp/) is a term used in the medical field to describe the transition from sleep to wakefulness.
Etymology
The term "wake up" originates from the Old English word "wacian," which means "to become awake."
Definition
In medical terms, to wake up is to cease sleeping and regain consciousness. This process involves a complex interaction of various neurotransmitters and neurons in the brain that regulate sleep and wakefulness.
Related Terms
- Sleep: A natural state of rest for the mind and body, in which the eyes are usually closed and consciousness is completely or partially lost.
- Consciousness: The state of being aware and able to think and perceive, marked by wakefulness, sensory awareness, and executive control.
- Neurotransmitters: Chemicals in the brain that transmit signals from a neuron to a target cell across a synapse.
- Neurons: The basic working unit of the brain, a specialized cell designed to transmit information to other nerve cells, muscle, or gland cells.
See Also
External links
- Medical encyclopedia article on Wake up
- Wikipedia's article - Wake up
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