Drowsiness is referred to as the feeling of lethargy and exhaustion during the day. Some of the causes of drowsiness are drug abuse, medical conditions such as thyroid disorders and diabetes, excessive levels of calcium in the body, blood sodium level fluctuations in the body or sleep disorders such as insomnia and sleep apnea. A person affected by drowsiness should reduce their alcohol and caffeine consumption, particularly at night, in order to get more sleep.
HOW IS DROWSINESS DIAGNOSED?
Some of the signs of drowsiness are problems with memory, low levels of performance, severe headaches, and low energy levels.