The ioware.io iLite is a Raspberry Pi3 based, Internet of Things (IOT) educational platform programmable project with open and free, openHAB system software - click here.
The iLite has many of the features of commercial LED mood lights that help sleeping patterns and all at a much reduced cost.
You can program it to gently reduce blue white light to soothing yellow/green for relaxing into sleep and then with its inbuilt clock feature it will gently wake you in the morning with the opposite light progression.
Additionally, you can also use the iLite Kit as a superb learning platform to teach STEM and iOT related skills and subjects; Boolean logic, binary, the nature of light, spectra, computer control algorithms, graphical user interfaces (GUI), engineering design etc. To purchase the iLite Kit - Click here.