In the third and final class of our course on how to make the most of your friendships, we offer guidance for what to do when things go wrong.

In class two of our course on friendship, you’ll learn how to get out of your comfort zone when it comes to fostering new friendships or resuscitating old ones.

In the first class of our course on making the most of your friendships, host Cristina Quinn learns what it means to be socially fit — and why it’s never too late to start getting those reps in.

In class 5 of our course on how to get better sleep: the melatonin factor. Learn what experts say about whether the supplement could be something to work into your nighttime routine.

In class 4 of our course on how to get better sleep, learn about the concept of sleep drive, and how getting it right might be the solution to falling asleep faster and getting a better night’s rest.

In class 3 of our course on how to get better sleep, we focus on what to do if you wake up in the middle of the night and can’t fall back asleep.

In class 2 of our course about how to sleep better, learn why trying to suppress your difficult feelings from popping up at night might be counterproductive. Sleep expert Lisa Strauss explains a technique for identifying and changing negative thought patterns.

In the first class of our course on how to sleep better, learn why worrying about not falling asleep can make things worse. There are steps you can take during the day that can help lessen the anxiety at night.

“Try This” is a series of audio courses from The Washington Post full of smart, snackable solutions for life’s everyday challenges.