There is a two way connection between depression and sleep problems. Disturbances in one’s biological clock may cause a neurobiological disorder which in turn can be demonstrated as depressive symptoms; on the other hand, mood decline can affect the biological clock and cause insomnia and circadian rhythm sleep disorders.
The association between high blood pressure and increased risk of cardiovascular events, such as heart attacks and stroke, is well established. However, recent studies have highlighted a link between poor quality of sleep, hypertension and cardiovascular events, and challenge current diagnostic testing and potential treatments.
This outbreak of Covid-19 pandemic affects us all and brings about high level of stress. Being forced to stay at home, work from home, do homeschooling with children, drastically minimize outings and daylight exposure. Because circadian rhythm is governed by daylight, the current Covid-19 quarantine situation is likely to negatively affect it.
Electronic devices have become an integral part of our lives where more than half of adolescents from technologically advanced countries report using electronic media on most evenings and during the last hour before they go to bed. There are many evidences pointing out that this extended usage at late hours has negative affect on sleep.
The daily timing and amount of sleep has changed throughout human history, whereas historical records indicate that the onset of sleep at night overlapped the arrival of dusk, modern society has crafted a sleep schedule that is heavily influenced by protected, artificially lit environments.