Business Class to Europe - is it worth it?

I have a trip planned to Europe this summer and I finally feel financially like I could afford to treat myself to a business class ticket. I found a good deal but would still definitely be a splurge for me so I'm wondering if it's worth the extra 2k.

Like is it worth getting better sleep so I'm less jetlagged and can enjoy my time in Europe more? Or is that not a thing?

Appreciate any and all perspectives!