The melatonin was amazing for dealing with the time change. While everyone else at the office was dragging on Monday, I was ready to go. I adjusted the time I took the melatonin one hour earlier the night of the time switch and transitioned seamlessly to the new sleep time. I've stuck with the 600mcg dose. After a week I was sleeping much more soundly than I had been and the initial insomnia seems to have lessened immensely.