My left eye has been twitching for about 2 months now, it happens whenever anything goes near it (like when I take a top off over my head) or if I sneeze. It's just the left side which is also the side I got bells palsy in about 6 years ago, but this seems like a really long time to get a new side effect! Any ideas why it might be? I haven't changed sleep/caffeine levels or anything else.