Getting good sleep is critical. A 2018 study found that people who sleep for five to six hours are 19 percent less productive than people who regularly sleep for seven to eight hours per night. People ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Charlene Rhinehart is a CPA , CFE, chair of ...

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 ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Tired of using loud and unsightly window air conditioners? Even if you don’t have the ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Suzanne is a content marketer, writer, and ...