acetylcholine
There is no one neurotransmitter that causes sleep. Acetylcholine, norepinephrine, dopamine, and serotonin are all known to be related to sleep in some way.
a neurotransmitter, derived from tryptophan, that is involved in sleep, depression, memory, and other neurological processes.
Go System Preferences > Accounts and set a login password. Go System Preferences > Security and under "General," uncheck the "require password... after sleep or screen saver begins" option.
Sleeping is caused bycertain chemicals. sleep is a physical and mental resting state in which a person becomes relatively inactive and unaware of the environment initiated by said chemicals. In essence, sleep is a partial detachment from the world, where most external stimuli are blocked from the senses.
The Medulla Oblongata or the RAC (Reticular Activating System)
Serotonin is a neurotransmitter that has been linked to sleep, eating, mood regulation, pain perception, and depression. It plays a key role in regulating various functions in the brain and body, influencing a person's overall emotional well-being and behavior. Dysregulation of serotonin levels has been associated with various mental health disorders.
gamma-amino butyric acid
Yes. When a person is sleep-deprived or has consistently inadequate sleep, their body begins to secrete the stress hormone cortisol, which increases blood pressure and puts a strain on the cardiovascular system. Over time, this puts a person at a greater risk of heart attack and stroke. However, getting enough sleep keeps cortisol levels down, and can reverse this situation.
A word beginning with R for sleep is rest.
Serotonin is not a neuron, it is a neurotransmitter. It relays information between neurons, with serotonin producing a calming, happy feeling. Lack of serotonin can cause depression, but an over abundance of serotonin can cause psychosis.
Sleep Dealer was released on 04/17/2009.
Serotonin plays a role in the modulation of mood, sleep, appetite, anxiety, and sexuality. When there is an imbalance in serotonin, medications known as serotonin reuptake inhibitors may be considered.