Jackofknives
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Norepinephrine
BRS behavorial science, p89
Increased level of norepinephrine decrease both total sleep time and REM sleep
Guyton, P730
Locus ceruleus … secrete norepinephrine. The norepinephrine generally excites the brain to increased activity. However, it has inhibitory effects in a few brain areas because of inhibitory receptors at certain neuronal synapses. … this system probably plays an important role in causing dreaming, thus leading to a type of sleep called REM.
Serotonin
BRS behavorial science, p89
Increased level of serotonin increase both total sleep time and delta sleep.
Guyton, P731
Many of the neurons in these nuclei (raphe nuclei) secret serotonin. … the serotonin released in the diencephalons and cerebrum almost certainly plays an essential inhibitory role to help cause normal sleep.
ACh
BRS behavorial science, p88
Increased levels of ACh in the reticular formation increase both total sleep time and REM sleep.
Guyton, P730
Giantocellular neurons in the reticular excitatory area of the pons and mesencephalon. The fibers from these large cells divide immediately into two branches, one passing upward to the higher levels of the brain and the other passing downward through the reticulospinal tracts into the spinal cord. … secret ACh. In most places, the ACh functions as an excitatory neurotransmitter. Activation of these ACh neurons leads to an acutely awake and excited nervous system.
Are you confused? I don’t blame you lol.
Edited by Jackofknives on 07/20/07 - 12:49 PM
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There are many things in this world that can’t be changed no matter how hard you try. That’s why you must not hesitate when the time comes where you have to give it all you’ve got.
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| edie
I can, and I will.
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Pick one source and stick to it, is the advice I have seen before...now I know why 
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| Jackofknives
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sleep disorder is an interdisciplinary subject. Guyton is about physio, BRS is behavioral, two different things that just occasionally happen to talk about the same topic.
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| Jackofknives
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My intension was to get a discussion going. Can anyone affirm any of the neurotransmitters above?
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