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But there's a window: People yawn most when it's around 68 degrees. When it's really hot outside, people are less likely to yawn because it would have very little impact on the brain's temperature.
Merely thinking about or seeing someone yawning can make you yawn. But why?
This explains why people with medical conditions that cause an increased core body temperature like multiple sclerosis (MS), epilepsy, anxiety, and head trauma experience excessive yawning ...
Snakes yawn, both to realign their jaws after a meal and for respiratory reasons, as their trachea can be seen to expand when they do this. Dogs, and occasionally cats, often yawn after seeing people yawn [11] [65] and when they feel uncertain. [66] Dogs demonstrate contagious yawning when exposed to human yawning.
[18] [19] [20] Nonetheless, boredom proneness has been found to be as strongly correlated with attentional lapses as with depression. [18] Although boredom is often viewed as a trivial and mild irritant, proneness to boredom has been linked to a very diverse range of possible psychological , physical, educational, and social problems.
Narcolepsy is a chronic neurological disorder that impairs the ability to regulate sleep–wake cycles, and specifically impacts REM (rapid eye movement) sleep. [1] The pentad symptoms of narcolepsy include excessive daytime sleepiness (EDS), sleep-related hallucinations, sleep paralysis, disturbed nocturnal sleep (DNS), and cataplexy. [1]
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Many people with catathrenia mention that they also have some form of stress or anxiety in their lives. [10] People with catathrenia themselves do not feel like they are experiencing a sleep apnea; the breath-holding appears to be controlled through the unconscious. Oxygen desaturation during a catathrenia episode is usually negligible.