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Sleep patterns (typical bed time or rise time on weekdays and weekends), shift work, and frequency of naps can reveal the direct cause of poor sleep, and quality of sleep should be discussed to rule out any diseases such as obstructive sleep apnea and restless leg syndrome.
However, it is clear that stress and sleep in college students are interrelated, instead of one only affecting the other. "Stress and sleep affect each other. Poor sleep can increase stress, otherwise high-stress can also cause sleep disturbances". [8] As stated in a different way, the way stress and sleep are related is bidirectional in nature ...
Additionally, lack of sleep causes increased anxiety-like behaviors and impairs the brain's ability to block out unimportant stimuli when performing tasks requiring attention. Disruptions in important brain circuits and the downregulation of proteins necessary for cognitive stability are the causes of these behavioral abnormalities. [30]
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]
A symptom can be a strained appearance, with increased sweating from the hands, feet, and axillae, [17] along with tearfulness, which can suggest depression. [18] Before a diagnosis of anxiety disorder is made, physicians must rule out drug-induced anxiety and other medical causes. [19]
Poor sleep quality can occur as a result of, for example, restless legs, sleep apnea or major depression. Poor sleep quality is defined as the individual not reaching stage 3 or delta sleep which has restorative properties. [28] Major depression leads to alterations in the function of the hypothalamic–pituitary–adrenal axis, causing ...
Insomnia can have many different causes, including psychological stress, a poor sleep environment, an inconsistent sleep schedule, or excessive mental or physical stimulation in the hours before bedtime. Insomnia is often treated through behavioral changes like keeping a regular sleep schedule, avoiding stimulating or stressful activities ...
Sleep quality at an old age is just as important as sleep duration to avoid lack of sleep. Research shows that feelings of loneliness and depression can result in poor sleep quality and daytime dysfunctions. These daytime impairments include physical and intellectual fatigue, irritability, and low cognitive abilities. [14]