Sometimes I take a 20 minute nap at lunch time. Other times I'll go to sleep right after dinner, awaken around 11 PM, do stuff until 2, and then sleep until 7.

Sometimes I take a 20 minute nap at lunch time. Other times I'll go to sleep right after dinner, awaken around 11 PM, do stuff until 2, and then sleep until 7. I always feel well rested on days like either of those.