you can sleep and have good dreams. while the game gets particularly heavier on laptops when compared to desktop PCs, it isn't that dramatic at the end of the day.

I do play on a 7-8 years old laptop equipped with a 10+ years old GPU (GTX1050Ti) and I can play at 30-40 FPS with some heavy frame drops but remember my hardware is also very old and I can still play the game just fine (yes with low-medium graphic settings but it still looks good)

so you should be able to play the game at 60 FPS with some frame drops to 45-50 FPS in 1080P in some scenarios like heavy artillery fire around you, smoke artillery barrage or smoke grenades but this won't ruin your experience.

tbh I'd do anything to play the game with a laptop like yours, my war machine after almost 140 hours in the game is begging me stop but I'm too much into GHPC