Read 10 books at 10 different speeds, in 10 different languages, while simultaneously listening to the sound of a dripping faucet.
Spend 5 hours researching the aerodynamics of your favorite sock's weave, and 3 hours deciding whether or not to wear them.
Spend 4 hours studying the structural integrity of your blinds, and 2 hours contemplating the existential meaning of the slats.