Last night she told me she loves me. It's stuck in my head since.

[Ashraful Haque]

I looked up 'stuck in my head' and all the example sentences are about songs.
Do people use it only for songs?

Is the following sentence correct?
1. Last night she told me she loves me. It's stuck in my head since.

How about something that doesn't have anything to do with sound/hearing?
2. Last night she texted me that she loves me. It's stuck in my head since.
3. A: Why are you smiling all by yourself?
B. I saw a ridiculous movie yesterday and some of the scenes are still stuck in my head.

 

[probus]

COCA, the corpus of contemporary American English, returns 180 hits for "stuck in my head", many of which have nothing to do with music. People, places, ideas and other things may get stuck in our heads.

By the way, there is now a term that describes a tune stuck in one's head: an ear worm.

 

[Skrej]

I've experienced plenty of things still unfortunately stuck in my head 10, 20, 30, 40 and even more years later, none of them pleasant, few of them songs, many of them related to the human body in some manner.

The bad ones stick around longer than the good ones, it seems.

 

[emsr2d2]

1. Last night, she told me she loves me. It's been stuck in my head since then/ever since.

How about something that doesn't have anything to do with sound/hearing?
2. Last night, she texted me to say that she loves me. Just one space after a full stop is enough It's been stuck in my head since then/ever since.

3. A: Why are you smiling all by [to yourself]?
B. I saw a ridiculous movie yesterday and some of the scenes are still stuck in my head.

 

[jutfrank]

It's been stuck in my head ever since.

As emsr2d2 has highlighted, you need the linking verb 'been' in this context. Think of stuck in my head here as a state (an adjective phrase) rather than an action. In your example 3b, you've correctly used the phrase as a state but in 1 and 2 it seems you're incorrectly trying to use it as an action.

You can use it as a verb phrase, but not with 'since' phrases:

It stuck in my head.

 

[Ashraful Haque]

Can we also say 'mind' instead of 'head'?

 

[jutfrank]

In what context?

 

[Ashraful Haque]

In what context?

"It's been stuck in my head/mind ever since."

I think I've heard people using 'mind' as well.

 

[jutfrank]

Yes, both 'head' and 'mind' are possible but it depends to some extent on what the object is—whether it's a melody, somebody's words, an idea, an image, etc.

 

[Ashraful Haque]

Yes, both 'head' and 'mind' are possible but it depends to some extent on what the object is—whether it's a melody, somebody's words, an idea, an image, etc.

Could you please give me a few examples where one would work and the other wouldn't?

 

[jutfrank]

I'll offer some simple guidance: For songs, only use 'head', but for everything else, 'mind' is probably a bit better.

 

[Ashraful Haque]

I'll offer some simple guidance: For songs, only use 'head', but for everything else, 'mind' is probably a bit better.

Does 'a bit better' mean that I wouldn't sound completely unnatural if I used 'head' for everything?

 

[jutfrank]

Does 'a bit better' mean that I wouldn't sound completely unnatural if I used 'head' for everything?

Right. It wouldn't sound 'completely unnatural'. My point really is that 'stuck in one's head' is so heavily associated with songs, jingles, rhythms, and other sound-related things, that if you don't mean that, it's a bit better to avoid it and say 'mind' instead. If you're talking about what someone said, if the focus is on the sound of the words you're probably more likely to use head than if the focus is on the meaning of the words.

This is just my own judgment. I don't know if others sense it the same way.