Danvers and colleagues learned that “spending more than 75% of time alone was associated with much higher loneliness scores. . . . people who spend very much or very little of their time surrounded by others tend to report the greatest loneliness. . . . loneliness is particularly high among people who spend a very high proportion of their time alone (more than approximately 75% of their waking hours). Spending a moderate amount of time alone (from approximately 25% to 75% of waking…