Difference between less and few?

[Siamm]

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #72 "At the End of the Day (1)", question 1

There are late risers and early risers, those who need a lot of sleep and those who need only a .........,

(a) less
(b) nothing
(c) few
(d) little

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #72 "At the End of the Day (1)", answer 1

There are late risers and early risers, those who need a lot of sleep and those who need only a little,

Correct answer: (d) little
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What are the differences between less and few?

Siamm

[Skrej]

Few means a small number of something.

Less means there's a smaller number or quantity of something.
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