Low amniotic fluid levels

I went for my NST this morning. The good news is that the baby is very reactive and moving around a lot. The bad news is that the amniotic fluid levels dropped from 8.5 to 6.2. They want to see it over 8.5 and if it had been much lower they would not have let me leave. I’ve been put on bed rest for the weekend and told to drink as much water as I can. They will recheck it on Monday and if it doesn’t go up, they are going to deliver the baby. I’ll be exactly 36 weeks on Monday, so the baby should be fine if delivered then.