A sleep scientist reveals his 7 personal secrets to getting a good night's rest

ShutterstockSleep may seem like an arbitrary activity, but without it, we'd die.

That doesn't mean it's easy to get an adequate and consistent amount of sleep every night, though.

For expert tips on sleeping better, Business Insider turned to Patrick Fuller, an associate professor of neurology at Harvard Medical School who studies sleep.

Fuller gave us the lowdown on what he does to ensure a good night's rest.

Here are his seven recommendations, though the fact that this routine works well for him, of course, doesn't guarantee it'll be feasible with your lifestyle and schedule.

Julia Calderone wrote a previous version of this story.