Meet the Beautyrest Sleeptracker Monitor: a sleep monitor that analyzes and monitors respiration and heart rates of two individual people. It comes with an app to analyze your data, provide you with tips, and wake you up at the right time. The device is compatible with iOS and Android devices. It also integrates with Amazon Echo.
The Sleeptracker is compatible with all mattresses and foundations. It can be set to monitor sleep data when you fall asleep unexpectedly. Costs under $200 at this time.