As watermelons have the word "water" in their name, it shouldn't come as a surprise that they are very watery. However, that very quality might make them a good choice for people who are tired.
Watermelon is primarily made up of water, according to WebMD. According to the Dallas Wellness Center, chronic fatigue syndrome and dehydration are linked. If you are dehydrated, you may feel sluggish, so consuming foods that are rich in water can boost your energy levels. When chronic fatigue syndrome patients are dehydrated, they often feel a desire for sugar even when they really need fluids. A sweet food may be more appealing to them than water when they are dehydrated. Besides providing a sweet taste (and some carbohydrates), watermelon also contains a healthy amount of water.
Watermelon contains an antioxidant called lycopene, which may reduce your risk of diabetes and cancer, according to WebMD.