Sleep Tracker apps are Designed to help users monitor and improve their sleep quality. These apps typically track various aspects of sleep, such as duration, quality, and patterns, using data collected from sensors in smartphones or wearable devices. They also provide insights and recommendations based on the user's sleep data, such as suggesting optimal bedtime or identifying factors that may be affecting sleep quality. Some sleep tracker apps also offer features like white noise generators, relaxation techniques, and sleep tracking for naps. Overall, these apps AIm to help users better understand their sleep habits and make positive changes to improve their overall health and well-being.