terrified for 4 months

i hear it all the time. about the 4 month sleep regression. and im terrified. my baby is a unicorn, and amazing sleeper. will nap and spend nights in her own bed, will fall asleep if i put her down awake. wakes once a night, rarely twice, and last night slept 10 hours straight. im so terrified for this, she is 10 weeks old, someone please give tips.