Lefekvés előtt mindig zuhanyozom.

Lefekvés is a noun meaning going to bed or lying down.

It comes from the verb family lefekszik / lefeküdni. The prefix le- means down, and the noun-forming suffix -és turns the action into a noun. So lefekvés is basically the act of lying down / going to bed.

This is very common in Hungarian: a verb can become a noun meaning the act of doing something.

Because előtt normally goes with a noun or noun-like expression, not with an infinitive.

So Hungarian says:

• lefekvés előtt = before going to bed
• evés előtt = before eating
• indulás előtt = before leaving

English often uses before + -ing or before + clause, but Hungarian very often prefers verbal noun + előtt in this kind of time expression.

Because előtt is a postposition, not a preposition.

English uses prepositions, which come before the word:

• before bed

Hungarian often uses postpositions, which come after the word:

• lefekvés előtt

So the structure is perfectly normal in Hungarian. Előtt can mean before in time, and also in front of in space, depending on context.

In this kind of general time expression, Hungarian often leaves the article out.

So:

• lefekvés előtt = before going to bed
• ebéd előtt = before lunch
• óra után = after class

This sounds natural when you mean something habitual or general, not one specific, specially identified event.

Hungarian usually leaves out subject pronouns when the verb ending already shows who the subject is.

In zuhanyozom, the ending tells you the subject is I.

So:

• zuhanyozom = I shower

You could add én, but only if you want emphasis or contrast:

• Én lefekvés előtt mindig zuhanyozom. = I always shower before bed.

Zuhanyozom is first person singular, present tense: I shower or I am showering, depending on context.

It comes from the dictionary form zuhanyozik.

A useful thing to know is that zuhanyozik belongs to the -ik verb type. With many -ik verbs, the I form ends in -om / -em / -öm.

So:

• zuhanyozik = he/she showers
• zuhanyozom = I shower

Even though -om may remind you of other verb endings, here it is simply the normal I form of this -ik verb.

Mindig means always.

It tells you that this is a habitual action:

• Lefekvés előtt mindig zuhanyozom. = I always shower before going to bed.

Without mindig, the sentence would simply mean:

• Lefekvés előtt zuhanyozom. = I shower before going to bed.

That could describe a habit too, but mindig makes the idea of always explicit.

No, Hungarian word order is fairly flexible, but different orders can sound more natural in different contexts or put emphasis in different places.

The given sentence is a natural neutral way to say it:

• Lefekvés előtt mindig zuhanyozom.

You could also hear:

• Mindig lefekvés előtt zuhanyozom.

That still means the same basic thing, but the emphasis can shift slightly toward always.

Hungarian word order is influenced a lot by focus, emphasis, and what is already known in the conversation, so there is often more than one possible order.

It is closer to before going to bed.

Lefekvés refers to lying down / going to bed, not specifically the act of falling asleep. So this sentence most naturally means:

• I always shower before I go to bed.

If you wanted to stress before sleeping, Hungarian might use something like alvás előtt instead.

Yes. A very natural alternative is:

• Mielőtt lefekszem, mindig zuhanyozom.

This literally means:

• Before I go to bed, I always shower.

The version with lefekvés előtt is more compact and very common. The version with mielőtt uses a full subordinate clause and feels a bit more explicit. Both are correct and natural.