Assertion: dolphin | /r/CapableOf | let one half of their brain sleep
Facets:
value: at a time
type: TEMPORAL
value: in order to get the rest
type: PURPOSE
Source sentences:
text: So, the dolphins do not sleep for a long time, and when they do sleep, they let one half of their brain sleep at a time that is they keep half portion of their mind awake which solves the problem of staying conscious.
text: In order to get the rest that they need for a day filled with chasing fish and flipping fins out of the water, dolphins will let one half of their brain sleep at a time.