Three days not on the road and regular nightly sleep had erased the worst of the dark circles.

Practitioners often start the fasting period at the commencement of nightly sleep.

In our nightly sleep, and in the measure of its soundness, we are utterly dead to the world around us.

Their histories also included 7-8 hours of nightly sleep on a regular basis, no nicotine use, and low caffeine use (less than 100 mg/day).

"Average nightly sleep plus naps" added naps to the above sum.

The minimum BMI was predicted at 7.7 h of average nightly sleep.

Mr. Kahn said he routinely interrupted his nightly sleep for a brief stint of business.

Normally, the women all got about eight hours of nightly sleep.

Can I just continue getting my eight hours nightly sleep and eating well and fight off the virus myself?

"Average nightly sleep" was calculated as the sum of the hours between bedtime and arising divided by six.