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This is an accepted version of this page This is the latest accepted revision, reviewed on 12 January 2025. Short period of sleep during typical waking hours For other uses, see Nap (disambiguation). A man napping in a hammock, on a patio in Costa Rica A nap is a short period of sleep, typically taken during daytime hours as an adjunct to the usual nocturnal sleep period. Naps are most often ...
Other aspects of sleep health have been associated with obesity, including daytime napping, sleep timing, the variability of sleep timing, and low sleep efficiency. However, sleep duration is the most-studied for its impact on obesity. [124] Sleep problems have been frequently viewed as a symptom of mental illness rather than a causative factor.
The dysregulation model is supported by neuroanatomical, physiological, and subjective self-report studies. Emotional brain regions (e.g. the amygdala) have shown 60% greater reactivity to emotionally negative photographs following one night of sleep deprivation, as measured by functional magnetic resonance imaging. [5]
Hypnagogia may involve a "loosening of ego boundaries ... openness, sensitivity, internalization-subjectification of the physical and mental environment and diffuse-absorbed attention." [ 18 ] Hypnagogic cognition , in comparison with that of normal, alert wakefulness, is characterized by heightened suggestibility , [ 19 ] illogic and a fluid ...
Chronotype can affect how sleep deprivation influences mood. Those with morningness (advanced sleep period or "lark") preference become more depressed after sleep deprivation, while those with eveningness (delayed sleep period or "owl") preference show an improvement in mood. [62] Mood and mental states can affect sleep as well.
To assess how summer affects student's mental health, Charlie Health looked at the numbers, including data on summer crime rates and food insecurity, which play a role in well-being. Some tips on ...
Epidemiological studies on the relations between cardiovascular health and siesta have led to conflicting conclusions, possibly because of poor control of confounding variables, such as physical activity. It is possible that people who take a siesta have different physical activity habits, for example, waking earlier and scheduling more ...
After learning about how using apps like Facebook, TikTok and Instagram can affect your mental health, you may be tempted to do an immediate purge and disconnect yourself and your kids from these ...