[gamegoblin]

I have two complimentary things I started doing last winter:

- Keep my home’s heat 1 or 2 degrees cooler than I would find optimally comfortable

- When I feel cold, I do a set of pushups to warm myself back up. Usually about once an hour. A set is usually about 20 pushups.

This has multiple benefits:

- The very slight discomfort of the cold keeps you less drowsy

- The pushups are good for you and help wake you up

- Keeping the heating a little lower has a small but non-zero impact on your heating bill