Dan liked the idea that it was so safe, that when he was working late in the evenings he would know that hoodlums couldn't reach their house.

NPR: Weak Housing Market May Not Be Signal to Buy

His research shows little change in the pattern of night working, but an increase in evenings and a greater rise at weekends.

ECONOMIST: No more nine-to-five

Cardean offers complete courses, mostly in business subjects, aimed at people working full-time who want to learn in the evenings, at weekends or whenever.

ECONOMIST: Lessons of a virtual timetable

Her volunteer position as administrative assistant in the business office of a small college mandated working forty hours per week, but evenings and weekends were free for hiking and kayaking, reading, writing, and sewing Tlingit moccasins.

FORBES: Starting A Venture At Age 55+: The Data, The Winners, And William K. Zinke, Founder Of The Center for Productive Longevity