When you fall madly in love, it’s pretty hard to focus on anything else. In fact, one study found that people in love spend 85% of their waking hours musing about their partners. But it’s not just about swooning over your person, says psychologist Helen Fisher. She argues that we can use a scientific lens […]

Sleep is a necessary state for the body and brain to complete important tasks that make us healthy, strong, and functional. Sleep also helps regulate the circadian rhythm, a 24-hour cycle of wakefulness and sleepiness that operates throughout your day and night. The amount of time a person spends in sleep and the types of […]