| NO | let the head fall forward through drowsiness |
|---|---|
| NO | lower and raise the head, so as to indicate assent |
| NO | express or signify by nodding |
| NO | sway gently back and forth, as of flowers or tress in the wind |
| NO | change from a waking to a sleeping state |
| NO | the normal cardiac rhythm when the heart is controlled by the atrioventricular node |
| NO | half asleep |
| NO | (biology) having branches or flower heads that bend downward |
| NO | plant with erect leafy stems bearing clusters of rayless yellow flower heads on bent individual stalks |
| NO | widely distributed North American wild onion with white to rose flowers |
| NO | Eurasian perennial naturalized in eastern North America having very spiny white cottony foliage and nodding musky crimson flower heads |
| NO | widely distributed North American wild onion with white to rose flowers |