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.
Two common reasons for tiredness or lethargy are having too high or too low blood sugar levels. In both cases, the tiredness is the result of having an imbalance between oneâs level of blood glucose and the amount or effectiveness of circulating insulin. If you feel tired during the day, despite having slept well, it could be a result of either high or low sugar levels. It is best to test your blood glucose levels to see whether the tiredness is indeed a result of having high or low sugar levels. This is particularly important for people on insulin. 1  Read about the recommended blood glucose levels ranges.