Related Clues:

• Go out for a while?
• Indicate "yes" silently
• Sleep precursor
• What you might do after retiring
• Signal agreement
• Silent indication of approval
• Slumber lightly
• Body language
• Silent say-so
• Catch 40 winks
• Annoyed comment from a bedmate
• Show assent
• It's as good as a wink
• A short light sleep
• The Land of ... lay east of Eden