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This time allows for the body to recharge and return to a phase of optimal functioning. It is recommended that adults get 7 to 9 hours of sleep each night. Sleep is regulated by an internal process known as the circadian rhythm. This 24-hour cycle regulates periods of alertness and tiredness that an individual experiences. [3]
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]
Psychological stress can be external and related to the environment, [3] but may also be caused by internal perceptions that cause an individual to experience anxiety or other negative emotions surrounding a situation, such as pressure, discomfort, etc., which they then deem stressful. Hans Selye (1974) proposed four variations of stress. [4]
However, the lack of sunlight can actually wreak havoc on our internal body clock, also known as the circadian rhythm. This is the natural, 24-hour cycle that helps regulate when we wake up and ...
Sleep debt refers to a build up of lost optimum sleep. Sleep deprivation is known to be cumulative. [20] This means that the fatigue and sleep one lost as a result of, for example, staying awake all night, would be carried over to the following day.
This process is known as allostasis, first proposed by Sterling and Eyer (1988). [6] Research has provided considerable evidence to illustrate the stress response as a short-term adaptive system. [4] The immediate effects of stress hormones are beneficial in a particular short-term situation.
Prioritize balance We’ve heard it time and time again, but it’s true: Having a healthy work-life balance can make you more energized, engaged, and happy. Often, pressures outside of our ...
Sleep plays a role in emotion regulation, although stress and worry can also interfere with sleep. Studies have shown that sleep, specifically REM sleep , down-regulates reactivity of the amygdala , a brain structure known to be involved in the processing of emotions, in response to previous emotional experiences. [ 54 ]