Board Thread:Plants vs. Zombies 2: It's About Time/@comment-24671402-20140605144232/@comment-28200709-20140611145842

Milesprower2 wrote: They don't sleep, as Sun-shroom's obtained after Night 1, meaning that if Sunflowers and Twins slept, Night 1 would be impossible. Hmm, but Crazy Dave could give us some seed first, then after finishing the level, we will officially obtain its seed packet, you know, like the Magnifying Grass

Yea, we can't know yet