With Sleep Studio the Echo Glow can light up to let kids know when they should be sleeping or can get out of bed. | Image: Amazon Amazon has launched a new feature for its Echo and Echo Kids smart speakers called Sleep Studio that's designed to make the daily transition to bedtime more enticing for kids and less stressful for parents and caregivers. The feature uses a combination of bedtime stories, relaxing sounds, and guided meditations along with scheduling and customization options accessi