Yes! I've recently swung back into hypomania and while it began with tons of positive energy, that energy quickly turned negative upon waking up. I was just so angry at every little thing, and even though I knew how ridiculous it all was, I couldn't stop! I was honestly throwing quite the tantrum. Not proud of it. Luckily, the irritation passed after an hour or two. I honestly think it had a lot to do with the insomnia from last night. I've been so restless this time around not sure if I'll sleep much tonight (morning) either.