I only mention it because one of the C by GE bulbs is related to sleep. Or so they claim. No hub required, you control it with a smartphone. I wonder if you could control it with a hub or if Echo can.
Quote:One of the highlights of GE’s new line of affordable connected LED bulbs is the C-Sleep. The company introduced the products as lighting that works according to the user’s mood. According to the manufacturer, the C-Sleep line, designed to be used in bedrooms can help the body to regulate the production of melatonin, the hormone that induces to sleep.
Stats on their C-Life bulbs
Stats on their C-Sleep bulbs
Available in 2016 according to their email.
Now the bad news: The suggest price is $50. Way higher than the Cree Connected which sells at $15. Honestly the Cree has a much better light pattern and color index than the Philips Hue Lux bulb ($20). But for $50, I can buy the Philips Hue and at least have the ability to set colors.