Before going to bed, there’s a nightly ritual that successful business leaders like Arianna Huffington, Oprah Winfrey, and Sheryl Sandberg do to prepare for their workdays. It doesn’t involve fancy gadgets or time-consuming, prohibitively-expensive life hacks. All you need to do to prepare like a successful leader is to learn how to count your blessings at night and practice gratitude.

Facebook COO Sheryl Sandberg, for example, says she writes down three moments of personal joy, a practice she started last January following the death of her husband.

“I used to go to bed every night thinking about what I did wrong and what I was going to do wrong the next day. Now I go to sleep thinking of what went right,” Sandberg said, describing how this practice has transformed her life.

These moments of personal joy don’t have to be extraordinary.

Media mogul Oprah Winfrey said she kept a nightly gratitude journal for a decade straight in the midst of building her television network. It tracked small and big victories such as “eating cold melon on a bench in the sun,” “a run around Florida’s Fisher Island with a slight breeze that kept me cool,” and “Maya Angelou calling to read me a new poem.”

Reminding yourself to be thankful forces you to stay present and aware of the world around you instead of getting stuck on your failures and hiccups. It keeps you looking forward. “You radiate and generate more goodness for yourself when you’re aware of all you have and not focusing on your have-nots,” Winfrey said about why she does it.

The science behind why gratitude works

Multiple studies also back up how gratitude can boost our well-being and improve our moods. A 2011 study published in Applied Psychology: Health and Well-Being found that taking just 15 minutes out of Read More Here