What are the causes of sleepiness? Work is too busy The reason why many people are sleepy at work is because work is too busy. Once the work is busy, many people neglect to rest, in the long run, not only irregular life, but also in the work will be particularly tired, in this case, especially easy to sleepy at work. Not often exercise Many people are busy with work, so for these people exercise is a very luxurious thing. If a person is busy with work for a long time and lack of exercise, the whole person will be lazy, do nothing but have no spirit, when working is also particularly easy to sleepy. Hyperviscosity This disease occurs mostly in older employees. These employees usually get enough sleep or rest, but they are always sleepy at work. If you are older and have had enough rest, you should be alert to the fact that you have hyperviscosity. Once you have this disease, you will be sleepy even after you have had enough rest, so older employees must pay special attention to it. Seasonal influences Many people will find that in the spring and summer, it is particularly easy to sleepy, which is the case of the influence of the season. Especially from winter to spring, many people are particularly sleepy at work. In winter, due to the need to protect the cold, so people are in a high state of blood flow, after the spring, the weather is warm and blood flow will be reduced, this time people are particularly easy to sleepy. In addition, the spring sun is also very warm, people will be more likely to produce sleepy.