DST-lag
The jetlag-like disruption of your circadian rhythms that occurs on the Monday after Daylight Saving Time comes into effect.
"Sorry I'm late. I've got the goddamn DST-lag. It took three cups of coffee before I could wake up enough to leave the house."
DST Lag
the sleepy feeling you get when trying to adjust to the new time for daylight saving time
chris: man i feel so tired
jim: why? what'd you do yesterday?
chris: nothing, i just got a little DST lag
jim: why? what'd you do yesterday?
chris: nothing, i just got a little DST lag