sack time

“We’ll have a little man-to-man talk while the leathernecks get some sack time.”

He would give his family fifteen more minutes of sack time, he thought, before he would wake them up.

"I'm taking sack time while I can," he says.

Some brain-training programs could also prevent dementia. We all know there is nothing like a good night's sleep—sack time enhances mood, memory, immune function and hormonal balance—and yet the scientific underpinnings for sleep continue to be a mystery.

Here’s something new: a government report about which states get the most sack time.