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  2. Norepinephrine - Wikipedia

    en.wikipedia.org/wiki/Norepinephrine

    The general function of norepinephrine is to mobilize the brain and body for action. Norepinephrine release is lowest during sleep, rises during wakefulness, and reaches much higher levels during situations of stress or danger, in the so-called fight-or-flight response. In the brain, norepinephrine increases arousal and alertness, promotes ...

  3. Sleep onset - Wikipedia

    en.wikipedia.org/wiki/Sleep_onset

    Levels of acetylcholine, norepinephrine, serotonin, and histamine decrease with the onset of sleep, for they are all wakefulness promoting neurotransmitters. [2] Therefore, it is believed that the activation of sleep-promoting neurons causes the inhibition of arousal-promoting neurons, which leads to sleep.

  4. Neuroscience of sleep - Wikipedia

    en.wikipedia.org/wiki/Neuroscience_of_sleep

    One of the important questions in sleep research is clearly defining the sleep state. This problem arises because sleep was traditionally defined as a state of consciousness and not as a physiological state, [14] [15] thus there was no clear definition of what minimum set of events constitute sleep and distinguish it from other states of partial or no consciousness.

  5. Escitalopram (Lexapro): Everything You Need to Know Before ...

    www.aol.com/escitalopram-lexapro-everything-know...

    Insomnia or trouble sleeping. Somnolescence (drowsiness) Reduced appetite. Bedroom problems like decreased libido (reduced interest in intercourse) Rhinitis and sinusitis. Eye pain and angle ...

  6. Neurotransmitter - Wikipedia

    en.wikipedia.org/wiki/Neurotransmitter

    In the peripheral nervous system, one of the primary roles of norepinephrine is to stimulate the release of the stress hormone epinephrine (i.e. adrenaline) from the adrenal glands. [31] Norepinephrine is involved in the fight-or-flight response [32] and is also affected in anxiety disorders [33] and depression. [34]

  7. Serotonin syndrome - Wikipedia

    en.wikipedia.org/wiki/Serotonin_syndrome

    Serotonin is a neurotransmitter involved in multiple complex biological processes including aggression, pain, sleep, appetite, anxiety, depression, migraine, and vomiting. [10] In humans the effects of excess serotonin were first noted in 1960 in patients receiving an MAOI and tryptophan. [54] The syndrome is caused by increased serotonin in ...

  8. Idiopathic hypersomnia - Wikipedia

    en.wikipedia.org/wiki/Idiopathic_hypersomnia

    Idiopathic hypersomnia (IH) is a neurological disorder which is characterized primarily by excessive sleep and excessive daytime sleepiness (EDS). [1] Idiopathic hypersomnia was first described by Bedrich Roth in 1976, and it can be divided into two forms: polysymptomatic and monosymptomatic.

  9. Serotonin–norepinephrine reuptake inhibitor - Wikipedia

    en.wikipedia.org/wiki/Serotonin–norepinephrine...

    Elevation of norepinephrine levels can sometimes cause anxiety, mildly elevated pulse, and elevated blood pressure. However, norepinephrine-selective antidepressants, such as reboxetine and desipramine, have successfully treated anxiety disorders. [71] People at risk for hypertension and heart disease should monitor their blood pressure.

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