This could be because they lead a relatively inactive lifestyle, or they may also be getting more sleep during the day. The term insomnia refers to an inability to fall asleep or to remain asleep for an adequate length of time. This may causes chronic tiredness which badly affects your daily life. This said, it is important to stress that virtually everybody has problems sleeping at some time or other. Stress , depression and worry are well known causes of insomnia.
Illness is another possible cause, especially if there is pain or discomfort.
There are many types of pill available. However, it is important not to use sleeping pills too often. This is because your body becomes dependent on the medication, and eventually you will find it very difficult to stop taking the tablets. You may also need to take more and more to achieve the desired effect, because your body becomes tolerant. They may also leave you feeling drowsy and lethargic in the morning.