mad pastel

hey there i was cleaning my snake tubs today n they seemed to b alil angry they all ate on the 3rd and none have ever struck at me but today my normal big female looked like it was about to n my lil pastel did strike but hit the tub. the only thing that has changed is i jus set up my herstat n my heat tape they were on 2 hour heat pads.now they have a day n night temp thats the only thing that has changed

They were on a two hour heat pad? What is that?
Day and night temperatures are unnecessary unless you are doing it for breeding purposes. Maybe they are stressed because of that. Are you handling them? Do they have hides? Are they in shed? There may be a lot of factors involved.