We spend about a third of our life horizontal where we "wear" our bedclothes. The unobtrusive monitoring capabilities of all that sleep time from "wearable" bed sensors could be of great use in monitoring our aging health over time. Limb and Core temperature changes could be an important indicator of circulatory function for instance. Shed cell analysis could provide data on sun exposure rates. Hair analysis could provide nutritional monitoring. Bedtime nightly checkups to monitor and recommend changes to support anti-aging activities. Hmmm....