Here is a smart wearable device with an open source design that integrates with your smart home and helps you experience lucid dreaming. Neuroon Open can be used to wake you up refreshed. It measures your sleep based on brain activity. You also get to enjoy guided meditation sessions.
More items like this: here
The companion app allows you to get more out of your sleep device. Since this is an open source device, you can develop your own custom solutions for it.
*Disclaimer*Our articles may contain affiliate links. As an Amazon Associate we earn from qualifying purchases. Please read our disclaimer on how we fund this site.