Rawpixel.com – stock.adobe.com And if a nap lasts an hour and 44 minutes longer than the “perfect” length, then it’s no longer a nap: it’s officially a full sleep session. Nick Bach ...

It’s not something you want to throw off too much. The general idea, then, is that no nap should be too long. “It’s not an ...

Can naps help with sleep debt? Walker: And the answer, unfortunately, is no. Sleep is actually not like the bank. You can't accumulate a debt and then hope to pay it off at some later point in time.

It's no secret: Americans are chronically sleep deprived. So we're catching up where we can, when we can. We slip into storage rooms. We sneak to the car. Some lock the bathroom stall just for ...