Carbon monoxide detectors sound an alarm when they sense a certain amount of carbon monoxide in the air over time. Different types of alarms are triggered by different types of sensors. 1  Biomimetic sensor: A gel changes color when it absorbs carbon monoxide, and this color change triggers the alarm.
General Bad Days Similarly, some of the lethargy is simply as a result of reality. Having anxiety makes your day worse, and so there are many people that find they would rather sit in bed than deal with the anxieties of the day.
lethargic - deficient in alertness or activity; bullfrogs became lethargic with the first cold nights. unenrgetic. inactive - not active physically or mentally; illness forced him to live an inactive life; dreamy and inactive by nature. energetic - possessing or exerting or displaying energy; an energetic fund raiser for the college; an energetic group of hikers; it caused an energetic chemical reaction.