bed bug n.— «At night, when the residents aren’t wearing their badges, they can still be monitored. Sensors attached to the bed sound an alarm if they get up. It’s fondly called the bed bug.» —“Keeping tabs while keeping care” by Jennifer...
bed-blocker n. a patient who will not or cannot be moved to another medical facility, either due to a shortage of beds or because of the patient’s refusal. (source: Double-Tongued Dictionary)