Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

Waking up extremely early might sound crazy, especially on the day of a test, but sometimes starting the morning with a positive mindset makes all the difference. Choosing focus, calm, and a ...

Feeling mentally “on” isn’t just in your head—it can significantly boost what you accomplish. Researchers found that sharper thinking on a given day leads people to set bigger goals and actually ...