During the evening last night I started to get some sciatic pain along with the tightness in my hamstrings, it wasn't too uncomfortable, but when I went to bed it really bothered me, I had trouble getting to sleep and it actually woke me up at around 2:30 in the morning.It happened that I don't have any painkillers at home. So when I got to work I took 2 Ibuprofen this did the trick and during the day I noticed that my hamstring tightness was also going away. So I am feeling a lot better now and have a bit of a spring in my step.