Nurses "regularly struggle to have sufficient time to use the bathroom or go outside for fresh air, no less take a nap," Michelle Morris, spokesperson for the National Nurses United union ...

Here's what to know about napping and the best time to take one. Naps can help make up for lost sleep and keep us healthy, when done correctly. The timing and duration of your nap matters ...

"We also feel a little sleepy around the early afternoon, which is many people may take a little nap right after lunch," says Dasgupta. This "dip" in our rhythm, or afternoon slump, is normal.