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Excitotoxicity can occur from substances produced within the body (endogenous excitotoxins).Glutamate is a prime example of an excitotoxin in the brain, and it is also the major excitatory neurotransmitter in the central nervous system of mammals. [14]
A new study reveals a shocking potential cause for insomnia.
Monosodium glutamate (MSG), also known as sodium glutamate, is a sodium salt of glutamic acid. MSG is found naturally in some foods including tomatoes and cheese in this glutamic acid form. [ 2 ] [ 3 ] [ 4 ] MSG is used in cooking as a flavor enhancer with a savory taste that intensifies the umami flavor of food, as naturally occurring ...
Sleep state misperception (SSM) is a term in the International Classification of Sleep Disorders (ICSD) most commonly used for people who mistakenly perceive their sleep as wakefulness, [1] [2] though it has been proposed that it can be applied to those who severely overestimate their sleep time as well [3] ("positive" sleep state misperception). [4]
Insomnia disorder (primary insomnia), chronic difficulty in falling asleep or maintaining sleep when no other cause is found for these symptoms. Insomnia can also be comorbid with or secondary to other disorders. Kleine–Levin syndrome, a rare disorder characterized by persistent episodic hypersomnia and cognitive or mood changes. [84]
Someday, the discovery might even lead to major advances in treatment. But those advances have not yet been made. All of the sleep medicine experts I interviewed emphasized that therapy and behavioral changes remain the best treatments for insomnia. Like most other sleep drugs, Belsomra provides only mild relief.
Experiments indicated that, in healthy children and adults, episodes of fragmented sleep or insomnia increased sympathetic activation, which can disrupt mood and cognition. The long term consequences include metabolic issues such as glucose homeostasis disruption and even tumor formation and increased risks of cancer.
This disorder can have symptomatic periods, where "the time of high sleep propensity gradually shifts, such that patients experience daytime hypersomnolence and nighttime insomnia". [ 2 ] In sighted people, the diagnosis is typically made based on a history of persistently delayed sleep onset that follows a non-24-hour pattern.