Two years after retiring from professional tennis, Serena Williams is busier than ever. She’s juggling a venture-capital fund; a new makeup brand, Wyn Beauty; a line of personal-care products, Will Perform; two young daughters; and an ESPN docuseries, In the Arena. Williams is also a brand ambassador for Lincoln and its new Navigator—her go-to S.U.V. In true multi-tasker form, Williams shares her nighttime routine and newfound appreciation for sleep.

When do you start getting ready for bed?
This is such a good topic. I was actually going to post about it yesterday. I get ready at around eight P.M. It’s early because I always do the bedtime routine with my oldest daughter, who is six. When she gets ready, I like to get ready. She still likes me to snuggle her sometimes.