An all-night study session may result in worse marks. 5 It should come as no surprise that missing sleep results in lower attentiveness, bad study habits, and sickness, as well as inferior academic performance. Pulling all-nighters may result in your kid or grandchild missing class to sleep or falling asleep in lectures. This can have negative effects on grades or lead to losing student status. All-nighters are also known to cause health problems such as heart disease, diabetes, and obesity. Pulling an all-nighter once in a while isn't going to hurt you but doing it regularly will. The most important thing when deciding to pull an all-nighter is that you must be able to fall asleep immediately after you stop studying. If you can't go straight to sleep, then staying up all night long will only make it harder for you to function the next day. With today's always-on-line world, more and more students are choosing to stay up all night to work on projects or complete homework assignments. While this may seem like a good idea in theory, it can actually have some very negative effects on your health and school career. Students who regularly spend their nights working on projects or homework tend to suffer from anxiety about not finishing what they start. This often leads them to push themselves too hard and get sick or injured. When students feel this way about sleeping, they may decide to skip classes or drop out of school to avoid another all-nighter.