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Understanding Sleep Deprivation: A Scientific Study

Level 5 ⭐⭐⭐⭐⭐

👣 Match the words with their meanings. One of the options will not be used.

Example:
Something that is extremely crucial or necessary. Synonym: Essential
Unimportant ❌ Important ✅

A system in the brain that controls the flow of cerebrospinal fluid and is responsible for removing waste products from the brain. Synonyms: waste cle

A compound that accumulates in the brain during wakefulness and promotes sleep. Synonyms: sleep-inducing substance, sleep-promoting compound.

The process of making someone or something look or feel better, younger, or more vital. Synonyms: revitalization, renewal.