cut down: meaning and explanation
to cut down on something = to reduce something
We often use this phrasal verb to talk about reducing something which we think we should do less often (e.g. Money is a bit tight this month, so I need top cut down on eating out.), or consume less of (e.g. I’m trying to cut down on crisps but I’m really struggling.).
Have a go at these micro-dictation exercises to hear this expression being used in context – how much can you understand?
Accent: North America
About the sentence
…You’d sleep better if you cut down on…
This is an example of a second conditional: If + past, would + verb.
We use the second conditional to talk about the unreal or hypothetical present.
This means that in this example, it is very unlikely or impossible that the person will cut down on the amount of coffee they drink.