ICDs are completely compatible with catching some Z’s. Right away, it might be uncomfortable to sleep on your implant side, but over time it becomes a breeze. If your device is pacing you, that also may take some getting used to. If, after some time, the lack of sleep has you off your rocker – you should really ask your doctor. If you find yourself in the terrifying reality of speaking exclusively in rhyme, seek immediate attention from an English teacher.