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In the brain, serotonin is a neurotransmitter and regulates arousal, behavior, sleep, and mood, among other things. [9] During prolonged exercise where central nervous system fatigue is present, serotonin levels in the brain are higher than normal physiological conditions; these higher levels can increase perceptions of effort and peripheral muscle fatigue. [9]
Feeling tired after a long day is ... "The mechanisms that rid waste from the brain are far more active when we sleep." ... If you can’t fall asleep after 20 minutes, get up and do a relaxing ...
Waking up tired is often due to sleep inertia, but sleep environment and habits also play a part. Here, doctors provide tips for waking up refreshed. Skip to main content. 24/7 Help ...
Hera called on Hypnos and asked him to help her by putting Zeus to sleep. Hypnos was reluctant because the last time he had put the god to sleep, he was furious when he awoke. It was Hera who had asked him to trick Zeus the first time as well. She was furious that Heracles, Zeus' son, sacked the city of the Trojans. So she had Hypnos put Zeus ...
"Subsequently, they get tired after a night of poor sleep and then oversleep the next night. Then, the alternating pattern continues." ... "The brain needs sleep to be rational and have impulse ...
An oil painting of a young woman having a siesta, or an afternoon nap, which usually occurs after the mid-day meal.. Postprandial somnolence (colloquially known as food coma, after-dinner dip, or "the itis") is a normal state of drowsiness or lassitude following a meal.
After going through stages of REM-sleep, people with depression report feeling better, in a study done by Cartwright et al. [40] Conversely, a theory proposed by Revonsuo [41] states that when people experience negative emotions or negative events, when they sleep the REM-sleep replays such events, which is known as rehearsal. [39]
After a person eats, the body might produce more serotonin, a neurotransmitter that regulates sleep and mood — especially if the food was high in the essential amino acid tryptophan, which is ...