v. freq. n. [id.], to be sleepy , drowsy , to begin to sleep , fall asleep.

http://lila-erc.eu/data/lexicalResources/LewisShort/id/LexicalSense/n14752.0 an entity of type: LexicalSense

v. freq. n. [id.], to be sleepy , drowsy , to begin to sleep , fall asleep. 
v. freq. n. [id.], to be sleepy , drowsy , to begin to sleep , fall asleep. 

data from the linked data cloud