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Estivation is summer sleep; hibernation is winter sleep.
Labs sleep in beds or outside i think
During sleep, the medulla oblongata controls sleep and arousal monitoring sensors to the cortex and other parts of the body. There are cholinergic neurons in the medulla oblongata that remain active during REM sleep. When a person experiences sleep walking, these neurons become inactive which causes a person to sleep while in action.
It means you only sleep little. Horses can sleep standing and for 2hrs at a time to regenerate
well a person that can't sleep has insomnia.
acetylcholine
gaba, acetylcholine
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Neurotransmitters in the brain are in charge of whether someone is asleep or awake. When the brain begins to produce neurotransmitters like melatonin, someone will begin to feel sleepy.
When you pasture your horse overnight he wakes with replenished energy and morale.
Biochemically there are hundreds of Enzyme Systems that, after being depleted by the Day, must need to be restored and replenished - this is what [one of the effects that] Sleep accomplishes.
During sleep, chemicals called neurotransmitters that have an impact on the brain and whether we are awake or asleep. Another chemical referred to as adenosine in our blood which causes us to feel drowsy or awake.
Sleep researchers are not sure why dreams are important, but there are many theories. See attached link for more information on the study of dreaming.
Generally they sleep at night
Yes, cockroaches do sleep. The cockroaches have a specific time that they sleep and eat. Generally, they sleep during the daytime hours.
Dream sleep generally is considered as a good sleep. Dreamless sleep occurs when the person is very much tired. That sleep affects the person in a negative manner.
Generally, you want to go to sleep.