How would you feel if you discovered your smartphone was recording you while you sleep without your knowledge? Last year, the co-host of my new “So, Bob” podcast, Alia Tavakolian, came to me ...

How do you save recordings in Pokémon Sleep? This sleep-tracking app is designed to take audio recordings while you sleep and accurately tell you if you were dozing, snoozing, or slumbering.

Sleep Talk Recorder, available for Android and iOS, can help you get to the bottom of your nocturnal musings, recording everything you say while you snooze.

The app recommends using an exercise armband to hold your phone to better track your movements and sounds during sleep, but I thought that might have taken "attached to your phone" to a whole new ...

Here, a list of the best free sleep meditation apps for audio you can tune into when it’s time to tune out and take a snooze. Best sleep meditation apps at a glance Best for sleep sounds: Sleepiest ...

With these apps and recordings, you can keep your cool, sleep better, and be more relaxed, day and night—and let’s face it, we all need some extra R&R from time to time.

Apps that nix a noisy environment Some relaxation apps lull you into dreamland with sounds of the Amazon rainforest or monitor your sleep habits throughout the night.

Sound apps are a surprisingly popular genre of app. Kids and adults both enjoy animal sound apps. Nature sounds and sleep sounds work great for getting deeper, more peaceful sleep for some folks.

Find 10 of the best sleep-tracking apps to monitor your sleep patterns for you and help you reach your goals.

Harry Styles is recording a sleep story with the sleep and relaxation app Calm, dropping July 8.