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Sleep deprivation, also known as sleep insufficiency [2] or sleeplessness, is the condition of not having adequate duration and/or quality of sleep to support decent alertness, performance, and health. It can be either chronic or acute and may vary widely in severity.
Chronic sleep deprivation can promote systemic inflammation, which is an underlying factor in various health problems. Weight gain. Poor sleep can disrupt hormones involved in appetite regulation ...
Winter brings less daylight and colder temperatures, which can disrupt sleep. Seasonal Affective Disorder (SAD) is more common in winter due to the lack of sunlight, causing sleep disturbances.
Polyphasic sleep is the term used to describe any sleep pattern that includes three or more periods of shuteye in a 24-hour period instead of the more traditional large snooze at night.
When sleep-deprived, PCC activity decreases, impairing selective attention. Subjects were exposed to an attention-shifting task involving spatially informative, misleading and uninformative cues preceding the stimuli. When sleep-deprived, subjects showed increased activation in the left intraparietal sulcus. This region is activated when ...
The main causes of sleep deprivation include poor sleep hygiene, biology, use of technology, and use of drugs. [4] The effects can damage the student's GPA, relationships, focus and memory, [4] and emotional and mental health. Students may face depression, anxiety, and difficulty maintaining their relationships in a healthy manner.
The most common sleep-related symptom of bipolar disorder is insomnia, in addition to hypersomnia, nightmares, poor sleep quality, OSA, extreme daytime sleepiness, etc. [27] Moreover, animal models have shown that sleep debt can induce episodes of bipolar mania in laboratory mice, but these models are still limited in their potential to explain ...
One of the important questions in sleep research is clearly defining the sleep state. This problem arises because sleep was traditionally defined as a state of consciousness and not as a physiological state, [14] [15] thus there was no clear definition of what minimum set of events constitute sleep and distinguish it from other states of partial or no consciousness.