Final answer:
The symptoms described in the question are signs of drowsy driving, which can be caused by a lack of sleep or medications. It is important to get enough sleep and avoid driving when feeling drowsy.
Step-by-step explanation:
The subject of this question is Health. The symptoms mentioned - closing of eyes, going out of focus, yawning, disconnected thoughts, not remembering the last few miles or tailgating - are all signs of drowsy driving or falling asleep at the wheel.
There are a few reasons why these symptoms occur. Drowsiness can be caused by a lack of sleep, medications, or certain medical conditions. When we are drowsy, our reaction time slows down, and we may experience impaired thinking and judgment.
Drowsy driving can be extremely dangerous and can lead to accidents. It is important to get enough sleep, avoid driving long distances without breaks, and refrain from using medications that can cause drowsiness.