In Study 1, a 14 - day daily experience study, participants reported more conflict in their romantic relationships following poor nights of sleep. (gottman.com)
Common complaints include glare, poor night vision and decreased contrast sensitivity. (sciencedaily.com)
When given the choice, my go - to beverage is a latte, with a double espresso always welcome after those particularly poor nights of sleep or ahead of a particularly long project. (businessinsider.com)