We know that sex improves sleep, boosts immunity and fosters better relationships. But after a long day, it can be tough to think about doing anything but snoozing when you hit the sheets. The good news: A few tiny tweaks to your daily routine can give you that lusty lift you need to make love more often by, for example, increasing your body’s production of libido-boosting dopamine, a brain chemical that can help you feel more frisky, explains Dr. Eric R. Braverman, MD, professor of integrative medicine in neurological surgery at Weill Cornell Medical College and author of the new book, Younger (Sexier) You. “When dopamine levels are high, you gain more energy to take action as well as the ability to perform,” he says. Translation: You'll have hotter, more frequent sex. Here, simple tips to boost bedroom bliss excerpted from his book Younger (Sexier) You: Look and Feel 15 Years Younger by Having the Best Sex of Your Life.