Related Clues:
- Keith Richards-sung Stones jam "___ Tonight"
- Bon Jovi "I'll ___ When I'm Dead"
- 'Silence is the ___ that nourishes wisdom': Bacon
- Get some sack time
- Catch a few winks
- Nighttime activity
- Insomniacs want it
- What tryptophan is said to induce
- Energy-saving computer mode
- Nighttime acquisition
- Minimal-power computer mode
- Look over 50? To begin with, please rest
- It 'knits up the ravell'd sleave of care,' per Macbeth
- Desire for an insomniac
- Get some Zs