Can a Tonkinese become a lap cat after play, or does the wiggle never switch off?

I learned this the hard way with my first Tonk, Miso. He'd sprint around the apartment like a furry tornado for 20 minutes, then crash directly onto my chest for a purring nap. The wiggle does switch off, but you have to earn it with a solid play session first. Mine demands at least 15 minutes of feather wand or fetch before he'll consent to lap duty, and even then, it's a full-body flop with zero brakes.

My Tonkinese, Cleo, is proof that the off switch exists - but it's not automatic. After a vigorous play session of chasing laser dots or pouncing on crinkle toys, she'll curl into a tight ball on my lap and purr like a motorboat for a solid hour. The key is tiring her out completely; if I cut playtime short, she'll stay restless. She also has a specific "lap time" cue - she'll knead the air with her paws and give a soft meow, which is her way of signaling she's ready to settle down.

Mine definitely crashes after a good chase session, but the timing is unpredictable. I've noticed my Tonk, named Jinx, will suddenly drop mid-wiggle and be dead weight on my legs within seconds - it's like flipping a switch, but you can't force it. She has to decide she's done on her own terms, and trying to scoop her up earlier just makes her squirm away.