The upsides and downsides when it comes to napping.

Of course babies, toddlers, and the elderly need frequent naps to get through the day. But what about adults? Who has time for a nap, anyway? While some cultures around the world view naps as an acceptable break in the day, others regard people who nap as lazy and unambitious. So what’s the truth about naps? Do they help you power through a long day or slow you down and prevent sound night sleep.