Sleep apps are booming but experts warn they are not perfect
A growing selection of mobile apps purports to help you fall asleep and measure the quality of your slumber as a record number of Americansdeal with insomnia. Subscription-based apps likeLoonaoffer stories read in a soothing voice and sounds meant to be calming and block out noises. Other apps likeSleepScoreclaim to measure the amount of sleep you are getting and let you know if it’s enough. But some medical professionals expressed doubts about whether apps like these help....