This top-rated app has helped 50 million people sleep better

You can currently save 50 percent on a lifetime subscription.

If you struggle to sleep at night, you’re not alone. According to the CDC, around one in three Americans doesn’t get the recommended seven hours of sleep each night. There are many causes, but bedtime anxiety ranks highly. The Relax Melodies Meditation App helps to calm your mind, with a library of soothing sounds and bedtime stories approved by sleep experts. You can get a lifetime subscription now for $124.99 at the PopSci Shop.

You can think of Relax Melodies as the ultimate sleep toolkit. Available on iOS, Apple Watch, and Android, this app helps you deal with a variety of issues that prevent sleep: insomnia, tinnitus, anxiety, stress, and more.

You’d be hard-pressed to find a sleep app with more features than Relax Melodies. Along with relaxing ambient sounds, the audio library includes guided meditations, breathing techniques, mind-body exercises, and bedtime stories for adults. You can customize the listening experience to fit your needs, and listen on up to five devices. Aside from the apps, Relax Melodies is also available online.

With 4.6 stars on Google Play and 4.8 stars on the App Store, Relax Melodies is proving popular with users. In fact, Business Insider described it as “the most positively reviewed app in the history of the Apple App Store.”

Lifetime access is worth $250, but you can grab your subscription now for $124.99—that is 50 percent off.

Prices subject to change.