È normale essere un po’ stanchi dopo il lavoro.

Because è is the verb essere in the third-person singular present: is.

• è = is
• The accent is important because it distinguishes it from e, which means and.

So:

• È normale = It is normal
• e normale would be wrong here.

Because Italian often uses the pattern:

È + adjective + infinitive

So:

• È normale essere stanchi = It is normal to be tired
• È difficile capire = It is difficult to understand
• È importante studiare = It is important to study

This works much like English it is normal to be..., except Italian simply uses the infinitive essere directly.

In this kind of sentence, Italian usually does not use a dummy subject like English it.

English says:

• It is normal to be tired

Italian just says:

• È normale essere stanchi

The è already carries the meaning is, and Italian does not need an extra subject pronoun here.

Un po’ means a little / a bit, and it is very common in everyday Italian.

So:

• un po’ stanchi = a little tired / a bit tired

You could also say:

• poco stanchi

but that usually sounds less natural in this sentence. Un po’ is the usual choice when talking about being slightly tired, slightly worried, slightly late, and so on.

Examples:

• Sono un po’ stanco. = I’m a little tired.
• È un po’ difficile. = It’s a little difficult.

Because po’ is a shortened form of poco.

• poco → po’

The apostrophe shows that letters have been dropped. It is not an accent mark.

So the correct spelling is:

• un po’

not:

• un pò

Stanchi is plural masculine, but in Italian that form is also used for a mixed group or for people in general.

Here the sentence is making a general statement:

• It’s normal to be a bit tired after work

Italian often expresses this kind of general idea with a plural adjective:

• essere un po’ stanchi

as if it meant for people to be a bit tired.

If you were talking about one specific man, you would say:

• essere un po’ stanco

If you were talking about one specific woman:

• essere un po’ stanca

If you were talking about a group of women:

• essere un po’ stanche

Yes, but it changes the feel slightly.

• È normale essere un po’ stanchi dopo il lavoro sounds general, like talking about people in general.
• È normale essere un po’ stanco dopo il lavoro sounds more like a general statement framed from the point of view of one person.

Both are possible, but the plural stanchi is very common when speaking generally.

It is an adjective, from:

• stanco = tired

Its forms are:

• stanco = masculine singular
• stanca = feminine singular
• stanchi = masculine plural / mixed plural
• stanche = feminine plural

In this sentence, it agrees with an implied general plural idea such as people / we / you all / one in general.

Because lavoro here is a noun meaning work, and in this sentence Italian normally uses the article:

• dopo il lavoro = after work

This is the most standard and natural phrasing here.

Without the article, dopo lavoro can sometimes appear in fixed expressions, but it does not sound as neutral and standard in this sentence.

So for learners, the safest choice is:

• prima del lavoro = before work
• dopo il lavoro = after work

Here il lavoro most naturally means work in the general sense, or the workday / one’s job depending on context.

So:

• dopo il lavoro can mean after work or after your/the workday

Italian often uses lavoro in places where English naturally says work.

Yes. Italian is fairly flexible with word order.

The original sentence:

• È normale essere un po’ stanchi dopo il lavoro.

You could also say:

• Dopo il lavoro, è normale essere un po’ stanchi.

This puts more emphasis on after work.

Both are correct. The original version is the most neutral.

It is neutral and natural in both spoken and written Italian.

Nothing in it is especially formal or especially casual:

• È normale is standard
• un po’ is everyday, natural Italian
• dopo il lavoro is standard

So this is a very normal sentence to use in conversation.

A simple pronunciation guide is:

eh nor-MAH-le ES-se-re oon PO stan-kee DOH-po eel la-VO-ro

A few useful points:

• È sounds like eh
• essere has a doubled s, so it is pronounced with a stronger ss
• ch in stanchi sounds like k, so stanchi is STAN-kee
• gli does not appear here, so everything is fairly straightforward for pronunciation

Yes. This sentence pattern is very productive.

Examples:

• È comune essere un po’ stanchi dopo il lavoro. = It’s common to be a bit tired after work.
• È naturale essere un po’ stanchi dopo il lavoro. = It’s natural to be a bit tired after work.
• È possibile essere un po’ stanchi dopo il lavoro. = It’s possible to be a bit tired after work.

But normale is the most natural choice if you mean nothing unusual about it.