a. the heart
Burnout can heighten the risk of atrial fibrillation (Afib) by up to 20 percent. People with Afib have an irregular heart rate, a condition which increase their risk of having a stroke, heart attack, or dying prematurely. Read more.
a. 30 minutes
A 2019 study of teenagers found that as little as 30 minutes of social media use per day was linked to increased mental health risks. Spending more than three hours was even worse. Read more.
b. emotional distress
Studies have shown that people experiencing insomnia do so because of unresolved emotional distress. In a 2016 study, scientists found that REM sleep helps with the resolution of emotional distress.